20854601820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{23029}}^1$

素因数の和:23106

約数の個数: 240

約数和(自身を含む): 72095691360

約数和(自身を除く): 51241089540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 81, 86, 90, 108, 117, 129, 130, 135, 156, 162, 172, 180, 195, 215, 234, 258, 260, 270, 324, 351, 387, 390, 405, 430, 468, 516, 540, 559, 585, 645, 702, 774, 780, 810, 860, 1053, 1118, 1161, 1170, 1290, 1404, 1548, 1620, 1677, 1755, 1935, 2106, 2236, 2322, 2340, 2580, 2795, 3354, 3483, 3510, 3870, 4212, 4644, 5031, 5265, 5590, 5805, 6708, 6966, 7020, 7740, 8385, 10062, 10530, 11180, 11610, 13932, 15093, 16770, 17415, 20124, 21060, 23029, 23220, 25155, 30186, 33540, 34830, 45279, 46058, 50310, 60372, 69087, 69660, 75465, 90558, 92116, 100620, 115145, 138174, 150930, 181116, 207261, 226395, 230290, 276348, 299377, 301860, 345435, 414522, 452790, 460580, 598754, 621783, 690870, 829044, 898131, 905580, 990247, 1036305, 1197508, 1243566, 1381740, 1496885, 1796262, 1865349, 1980494, 2072610, 2487132, 2694393, 2970741, 2993770, 3108915, 3592524, 3730698, 3960988, 4145220, 4490655, 4951235, 5388786, 5941482, 5987540, 6217830, 7461396, 8083179, 8912223, 8981310, 9326745, 9902470, 10777572, 11882964, 12435660, 12873211, 13471965, 14853705, 16166358, 17824446, 17962620, 18653490, 19804940, 24249537, 25746422, 26736669, 26943930, 29707410, 32332716, 35648892, 37306980, 38619633, 40415895, 44561115, 48499074, 51492844, 53473338, 53887860, 59414820, 64366055, 77239266, 80210007, 80831790, 89122230, 96998148, 106946676, 115858899, 121247685, 128732110, 133683345, 154478532, 160420014, 161663580, 178244460, 193098165, 231717798, 242495370, 257464220, 267366690, 320840028, 347576697, 386196330, 401050035, 463435596, 484990740, 534733380, 579294495, 695153394, 772392660, 802100070, 1042730091, 1158588990, 1390306788, 1604200140, 1737883485, 2085460182, 2317177980, 3475766970, 4170920364, 5213650455, 6951533940, 10427300910, 20854601820]

約数ペア:

[(1, 20854601820), (2, 10427300910), (3, 6951533940), (4, 5213650455), (5, 4170920364), (6, 3475766970), (9, 2317177980), (10, 2085460182), (12, 1737883485), (13, 1604200140), (15, 1390306788), (18, 1158588990), (20, 1042730091), (26, 802100070), (27, 772392660), (30, 695153394), (36, 579294495), (39, 534733380), (43, 484990740), (45, 463435596), (52, 401050035), (54, 386196330), (60, 347576697), (65, 320840028), (78, 267366690), (81, 257464220), (86, 242495370), (90, 231717798), (108, 193098165), (117, 178244460), (129, 161663580), (130, 160420014), (135, 154478532), (156, 133683345), (162, 128732110), (172, 121247685), (180, 115858899), (195, 106946676), (215, 96998148), (234, 89122230), (258, 80831790), (260, 80210007), (270, 77239266), (324, 64366055), (351, 59414820), (387, 53887860), (390, 53473338), (405, 51492844), (430, 48499074), (468, 44561115), (516, 40415895), (540, 38619633), (559, 37306980), (585, 35648892), (645, 32332716), (702, 29707410), (774, 26943930), (780, 26736669), (810, 25746422), (860, 24249537), (1053, 19804940), (1118, 18653490), (1161, 17962620), (1170, 17824446), (1290, 16166358), (1404, 14853705), (1548, 13471965), (1620, 12873211), (1677, 12435660), (1755, 11882964), (1935, 10777572), (2106, 9902470), (2236, 9326745), (2322, 8981310), (2340, 8912223), (2580, 8083179), (2795, 7461396), (3354, 6217830), (3483, 5987540), (3510, 5941482), (3870, 5388786), (4212, 4951235), (4644, 4490655), (5031, 4145220), (5265, 3960988), (5590, 3730698), (5805, 3592524), (6708, 3108915), (6966, 2993770), (7020, 2970741), (7740, 2694393), (8385, 2487132), (10062, 2072610), (10530, 1980494), (11180, 1865349), (11610, 1796262), (13932, 1496885), (15093, 1381740), (16770, 1243566), (17415, 1197508), (20124, 1036305), (21060, 990247), (23029, 905580), (23220, 898131), (25155, 829044), (30186, 690870), (33540, 621783), (34830, 598754), (45279, 460580), (46058, 452790), (50310, 414522), (60372, 345435), (69087, 301860), (69660, 299377), (75465, 276348), (90558, 230290), (92116, 226395), (100620, 207261), (115145, 181116), (138174, 150930)]