20786977918

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1383769}}^1$

素因数の和:1383844

約数の個数: 32

約数和(自身を含む): 37859947200

約数和(自身を除く): 17072969282

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 203, 259, 406, 518, 1073, 2146, 7511, 15022, 1383769, 2767538, 9686383, 19372766, 40129301, 51199453, 80258602, 102398906, 280905107, 358396171, 561810214, 716792342, 1484784137, 2969568274, 10393488959, 20786977918]

約数ペア:

[(1, 20786977918), (2, 10393488959), (7, 2969568274), (14, 1484784137), (29, 716792342), (37, 561810214), (58, 358396171), (74, 280905107), (203, 102398906), (259, 80258602), (406, 51199453), (518, 40129301), (1073, 19372766), (2146, 9686383), (7511, 2767538), (15022, 1383769)]