20708261340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{5087}}^1$

素因数の和:5436

約数の個数: 192

約数和(自身を含む): 66344914944

約数和(自身を除く): 45636653604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 26, 30, 34, 39, 51, 52, 60, 65, 68, 78, 85, 102, 130, 156, 170, 195, 204, 221, 255, 260, 307, 340, 390, 442, 510, 614, 663, 780, 884, 921, 1020, 1105, 1228, 1326, 1535, 1842, 2210, 2652, 3070, 3315, 3684, 3991, 4420, 4605, 5087, 5219, 6140, 6630, 7982, 9210, 10174, 10438, 11973, 13260, 15261, 15657, 15964, 18420, 19955, 20348, 20876, 23946, 25435, 26095, 30522, 31314, 39910, 47892, 50870, 52190, 59865, 61044, 62628, 66131, 67847, 76305, 78285, 79820, 86479, 101740, 104380, 119730, 132262, 135694, 152610, 156570, 172958, 198393, 203541, 239460, 259437, 264524, 271388, 305220, 313140, 330655, 339235, 345916, 396786, 407082, 432395, 518874, 661310, 678470, 793572, 814164, 864790, 991965, 1017705, 1037748, 1124227, 1297185, 1322620, 1356940, 1561709, 1729580, 1983930, 2035410, 2248454, 2594370, 3123418, 3372681, 3967860, 4070820, 4496908, 4685127, 5188740, 5621135, 6246836, 6745362, 7808545, 9370254, 11242270, 13490724, 15617090, 16863405, 18740508, 20302217, 22484540, 23425635, 26549053, 31234180, 33726810, 40604434, 46851270, 53098106, 60906651, 67453620, 79647159, 81208868, 93702540, 101511085, 106196212, 121813302, 132745265, 159294318, 203022170, 243626604, 265490530, 304533255, 318588636, 345137689, 398235795, 406044340, 530981060, 609066510, 690275378, 796471590, 1035413067, 1218133020, 1380550756, 1592943180, 1725688445, 2070826134, 3451376890, 4141652268, 5177065335, 6902753780, 10354130670, 20708261340]

約数ペア:

[(1, 20708261340), (2, 10354130670), (3, 6902753780), (4, 5177065335), (5, 4141652268), (6, 3451376890), (10, 2070826134), (12, 1725688445), (13, 1592943180), (15, 1380550756), (17, 1218133020), (20, 1035413067), (26, 796471590), (30, 690275378), (34, 609066510), (39, 530981060), (51, 406044340), (52, 398235795), (60, 345137689), (65, 318588636), (68, 304533255), (78, 265490530), (85, 243626604), (102, 203022170), (130, 159294318), (156, 132745265), (170, 121813302), (195, 106196212), (204, 101511085), (221, 93702540), (255, 81208868), (260, 79647159), (307, 67453620), (340, 60906651), (390, 53098106), (442, 46851270), (510, 40604434), (614, 33726810), (663, 31234180), (780, 26549053), (884, 23425635), (921, 22484540), (1020, 20302217), (1105, 18740508), (1228, 16863405), (1326, 15617090), (1535, 13490724), (1842, 11242270), (2210, 9370254), (2652, 7808545), (3070, 6745362), (3315, 6246836), (3684, 5621135), (3991, 5188740), (4420, 4685127), (4605, 4496908), (5087, 4070820), (5219, 3967860), (6140, 3372681), (6630, 3123418), (7982, 2594370), (9210, 2248454), (10174, 2035410), (10438, 1983930), (11973, 1729580), (13260, 1561709), (15261, 1356940), (15657, 1322620), (15964, 1297185), (18420, 1124227), (19955, 1037748), (20348, 1017705), (20876, 991965), (23946, 864790), (25435, 814164), (26095, 793572), (30522, 678470), (31314, 661310), (39910, 518874), (47892, 432395), (50870, 407082), (52190, 396786), (59865, 345916), (61044, 339235), (62628, 330655), (66131, 313140), (67847, 305220), (76305, 271388), (78285, 264524), (79820, 259437), (86479, 239460), (101740, 203541), (104380, 198393), (119730, 172958), (132262, 156570), (135694, 152610)]