20199751945

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{4547}}^1$

素因数の和:4857

約数の個数: 32

約数和(自身を含む): 25050384000

約数和(自身を除く): 4850632055

約数列:

[1, 5, 67, 89, 149, 335, 445, 745, 4547, 5963, 9983, 13261, 22735, 29815, 49915, 66305, 304649, 404683, 677503, 888487, 1523245, 2023415, 3387515, 4442435, 27113761, 45392701, 60297767, 135568805, 226963505, 301488835, 4039950389, 20199751945]

約数ペア:

[(1, 20199751945), (5, 4039950389), (67, 301488835), (89, 226963505), (149, 135568805), (335, 60297767), (445, 45392701), (745, 27113761), (4547, 4442435), (5963, 3387515), (9983, 2023415), (13261, 1523245), (22735, 888487), (29815, 677503), (49915, 404683), (66305, 304649)]