20187797472

素因数分解:

$2^5\times 3^2\times {\mathrm{251}}^1\times {\mathrm{279269}}^1$

素因数の和:279536

約数の個数: 72

約数和(自身を含む): 57637976760

約数和(自身を除く): 37450179288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 251, 288, 502, 753, 1004, 1506, 2008, 2259, 3012, 4016, 4518, 6024, 8032, 9036, 12048, 18072, 24096, 36144, 72288, 279269, 558538, 837807, 1117076, 1675614, 2234152, 2513421, 3351228, 4468304, 5026842, 6702456, 8936608, 10053684, 13404912, 20107368, 26809824, 40214736, 70096519, 80429472, 140193038, 210289557, 280386076, 420579114, 560772152, 630868671, 841158228, 1121544304, 1261737342, 1682316456, 2243088608, 2523474684, 3364632912, 5046949368, 6729265824, 10093898736, 20187797472]

約数ペア:

[(1, 20187797472), (2, 10093898736), (3, 6729265824), (4, 5046949368), (6, 3364632912), (8, 2523474684), (9, 2243088608), (12, 1682316456), (16, 1261737342), (18, 1121544304), (24, 841158228), (32, 630868671), (36, 560772152), (48, 420579114), (72, 280386076), (96, 210289557), (144, 140193038), (251, 80429472), (288, 70096519), (502, 40214736), (753, 26809824), (1004, 20107368), (1506, 13404912), (2008, 10053684), (2259, 8936608), (3012, 6702456), (4016, 5026842), (4518, 4468304), (6024, 3351228), (8032, 2513421), (9036, 2234152), (12048, 1675614), (18072, 1117076), (24096, 837807), (36144, 558538), (72288, 279269)]