20199997430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{25569617}}^1$

素因数の和:25569703

約数の個数: 16

約数和(自身を含む): 36820249920

約数和(自身を除く): 16620252490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 25569617, 51139234, 127848085, 255696170, 2019999743, 4039999486, 10099998715, 20199997430]

約数ペア:

[(1, 20199997430), (2, 10099998715), (5, 4039999486), (10, 2019999743), (79, 255696170), (158, 127848085), (395, 51139234), (790, 25569617)]