20116430

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1084

約数の個数: 32

約数和(自身を含む): 38024640

約数和(自身を除く): 17908210

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 977, 1954, 2059, 4118, 4885, 9770, 10295, 20590, 28333, 56666, 69367, 138734, 141665, 283330, 346835, 693670, 2011643, 4023286, 10058215, 20116430]

約数ペア:

[(1, 20116430), (2, 10058215), (5, 4023286), (10, 2011643), (29, 693670), (58, 346835), (71, 283330), (142, 141665), (145, 138734), (290, 69367), (355, 56666), (710, 28333), (977, 20590), (1954, 10295), (2059, 9770), (4118, 4885)]