20187945612

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4519}}^1\times {\mathrm{4003}}^1$

素因数の和:8563

約数の個数: 72

約数和(自身を含む): 52701608960

約数和(自身を除く): 32513663348

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 4003, 4519, 8006, 9038, 12009, 13557, 16012, 18076, 24018, 27114, 36027, 40671, 48036, 54228, 72054, 81342, 124093, 140089, 144108, 162684, 248186, 280178, 372279, 420267, 496372, 560356, 744558, 840534, 1116837, 1260801, 1489116, 1681068, 2233674, 2521602, 4467348, 5043204, 18089557, 36179114, 54268671, 72358228, 108537342, 162806013, 217074684, 325612026, 560776267, 651224052, 1121552534, 1682328801, 2243105068, 3364657602, 5046986403, 6729315204, 10093972806, 20187945612]

約数ペア:

[(1, 20187945612), (2, 10093972806), (3, 6729315204), (4, 5046986403), (6, 3364657602), (9, 2243105068), (12, 1682328801), (18, 1121552534), (31, 651224052), (36, 560776267), (62, 325612026), (93, 217074684), (124, 162806013), (186, 108537342), (279, 72358228), (372, 54268671), (558, 36179114), (1116, 18089557), (4003, 5043204), (4519, 4467348), (8006, 2521602), (9038, 2233674), (12009, 1681068), (13557, 1489116), (16012, 1260801), (18076, 1116837), (24018, 840534), (27114, 744558), (36027, 560356), (40671, 496372), (48036, 420267), (54228, 372279), (72054, 280178), (81342, 248186), (124093, 162684), (140089, 144108)]