20620170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25457}}^1$

素因数の和:25476

約数の個数: 40

約数和(自身を含む): 55447524

約数和(自身を除く): 34827354

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25457, 50914, 76371, 127285, 152742, 229113, 254570, 381855, 458226, 687339, 763710, 1145565, 1374678, 2062017, 2291130, 3436695, 4124034, 6873390, 10310085, 20620170]

約数ペア:

[(1, 20620170), (2, 10310085), (3, 6873390), (5, 4124034), (6, 3436695), (9, 2291130), (10, 2062017), (15, 1374678), (18, 1145565), (27, 763710), (30, 687339), (45, 458226), (54, 381855), (81, 254570), (90, 229113), (135, 152742), (162, 127285), (270, 76371), (405, 50914), (810, 25457)]