20171777515

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{140663}}^1$

素因数の和:140763

約数の個数: 32

約数和(自身を含む): 26737413120

約数和(自身を除く): 6565635605

約数列:

[1, 5, 23, 29, 43, 115, 145, 215, 667, 989, 1247, 3335, 4945, 6235, 28681, 140663, 143405, 703315, 3235249, 4079227, 6048509, 16176245, 20396135, 30242545, 93822221, 139115707, 175406761, 469111105, 695578535, 877033805, 4034355503, 20171777515]

約数ペア:

[(1, 20171777515), (5, 4034355503), (23, 877033805), (29, 695578535), (43, 469111105), (115, 175406761), (145, 139115707), (215, 93822221), (667, 30242545), (989, 20396135), (1247, 16176245), (3335, 6048509), (4945, 4079227), (6235, 3235249), (28681, 703315), (140663, 143405)]