20275430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2707}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 42114816

約数和(自身を除く): 21839386

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2707, 3745, 5414, 7490, 13535, 18949, 27070, 37898, 94745, 189490, 289649, 579298, 1448245, 2027543, 2896490, 4055086, 10137715, 20275430]

約数ペア:

[(1, 20275430), (2, 10137715), (5, 4055086), (7, 2896490), (10, 2027543), (14, 1448245), (35, 579298), (70, 289649), (107, 189490), (214, 94745), (535, 37898), (749, 27070), (1070, 18949), (1498, 13535), (2707, 7490), (3745, 5414)]