20512157902

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{767843}}^1$

素因数の和:767920

約数の個数: 24

約数和(自身を含む): 33350536296

約数和(自身を除く): 12838378394

約数列:

[1, 2, 19, 37, 38, 74, 361, 703, 722, 1406, 13357, 26714, 767843, 1535686, 14589017, 28410191, 29178034, 56820382, 277191323, 539793629, 554382646, 1079587258, 10256078951, 20512157902]

約数ペア:

[(1, 20512157902), (2, 10256078951), (19, 1079587258), (37, 554382646), (38, 539793629), (74, 277191323), (361, 56820382), (703, 29178034), (722, 28410191), (1406, 14589017), (13357, 1535686), (26714, 767843)]