20719510020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{105701}}^1$

素因数の和:105744

約数の個数: 180

約数和(自身を含む): 71444616012

約数和(自身を除く): 50725105992

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 81, 90, 99, 108, 110, 121, 132, 135, 162, 165, 180, 198, 220, 242, 270, 297, 324, 330, 363, 396, 405, 484, 495, 540, 594, 605, 660, 726, 810, 891, 990, 1089, 1188, 1210, 1452, 1485, 1620, 1782, 1815, 1980, 2178, 2420, 2970, 3267, 3564, 3630, 4356, 4455, 5445, 5940, 6534, 7260, 8910, 9801, 10890, 13068, 16335, 17820, 19602, 21780, 32670, 39204, 49005, 65340, 98010, 105701, 196020, 211402, 317103, 422804, 528505, 634206, 951309, 1057010, 1162711, 1268412, 1585515, 1902618, 2114020, 2325422, 2853927, 3171030, 3488133, 3805236, 4650844, 4756545, 5707854, 5813555, 6342060, 6976266, 8561781, 9513090, 10464399, 11415708, 11627110, 12789821, 13952532, 14269635, 17123562, 17440665, 19026180, 20928798, 23254220, 25579642, 28539270, 31393197, 34247124, 34881330, 38369463, 41857596, 42808905, 51159284, 52321995, 57078540, 62786394, 63949105, 69762660, 76738926, 85617810, 94179591, 104643990, 115108389, 125572788, 127898210, 153477852, 156965985, 171235620, 188359182, 191847315, 209287980, 230216778, 255796420, 313931970, 345325167, 376718364, 383694630, 460433556, 470897955, 575541945, 627863940, 690650334, 767389260, 941795910, 1035975501, 1151083890, 1381300668, 1726625835, 1883591820, 2071951002, 2302167780, 3453251670, 4143902004, 5179877505, 6906503340, 10359755010, 20719510020]

約数ペア:

[(1, 20719510020), (2, 10359755010), (3, 6906503340), (4, 5179877505), (5, 4143902004), (6, 3453251670), (9, 2302167780), (10, 2071951002), (11, 1883591820), (12, 1726625835), (15, 1381300668), (18, 1151083890), (20, 1035975501), (22, 941795910), (27, 767389260), (30, 690650334), (33, 627863940), (36, 575541945), (44, 470897955), (45, 460433556), (54, 383694630), (55, 376718364), (60, 345325167), (66, 313931970), (81, 255796420), (90, 230216778), (99, 209287980), (108, 191847315), (110, 188359182), (121, 171235620), (132, 156965985), (135, 153477852), (162, 127898210), (165, 125572788), (180, 115108389), (198, 104643990), (220, 94179591), (242, 85617810), (270, 76738926), (297, 69762660), (324, 63949105), (330, 62786394), (363, 57078540), (396, 52321995), (405, 51159284), (484, 42808905), (495, 41857596), (540, 38369463), (594, 34881330), (605, 34247124), (660, 31393197), (726, 28539270), (810, 25579642), (891, 23254220), (990, 20928798), (1089, 19026180), (1188, 17440665), (1210, 17123562), (1452, 14269635), (1485, 13952532), (1620, 12789821), (1782, 11627110), (1815, 11415708), (1980, 10464399), (2178, 9513090), (2420, 8561781), (2970, 6976266), (3267, 6342060), (3564, 5813555), (3630, 5707854), (4356, 4756545), (4455, 4650844), (5445, 3805236), (5940, 3488133), (6534, 3171030), (7260, 2853927), (8910, 2325422), (9801, 2114020), (10890, 1902618), (13068, 1585515), (16335, 1268412), (17820, 1162711), (19602, 1057010), (21780, 951309), (32670, 634206), (39204, 528505), (49005, 422804), (65340, 317103), (98010, 211402), (105701, 196020)]