20874510

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25771}}^1$

素因数の和:25790

約数の個数: 40

約数和(自身を含む): 56131416

約数和(自身を除く): 35256906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25771, 51542, 77313, 128855, 154626, 231939, 257710, 386565, 463878, 695817, 773130, 1159695, 1391634, 2087451, 2319390, 3479085, 4174902, 6958170, 10437255, 20874510]

約数ペア:

[(1, 20874510), (2, 10437255), (3, 6958170), (5, 4174902), (6, 3479085), (9, 2319390), (10, 2087451), (15, 1391634), (18, 1159695), (27, 773130), (30, 695817), (45, 463878), (54, 386565), (81, 257710), (90, 231939), (135, 154626), (162, 128855), (270, 77313), (405, 51542), (810, 25771)]