20201207978

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{170299}}^1$

素因数の和:170574

約数の個数: 32

約数和(自身を含む): 35722128000

約数和(自身を除く): 15520920022

約数列:

[1, 2, 7, 14, 37, 74, 229, 259, 458, 518, 1603, 3206, 8473, 16946, 59311, 118622, 170299, 340598, 1192093, 2384186, 6301063, 12602126, 38998471, 44107441, 77996942, 88214882, 272989297, 545978594, 1442943427, 2885886854, 10100603989, 20201207978]

約数ペア:

[(1, 20201207978), (2, 10100603989), (7, 2885886854), (14, 1442943427), (37, 545978594), (74, 272989297), (229, 88214882), (259, 77996942), (458, 44107441), (518, 38998471), (1603, 12602126), (3206, 6301063), (8473, 2384186), (16946, 1192093), (59311, 340598), (118622, 170299)]