20952270

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25867}}^1$

素因数の和:25886

約数の個数: 40

約数和(自身を含む): 56340504

約数和(自身を除く): 35388234

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25867, 51734, 77601, 129335, 155202, 232803, 258670, 388005, 465606, 698409, 776010, 1164015, 1396818, 2095227, 2328030, 3492045, 4190454, 6984090, 10476135, 20952270]

約数ペア:

[(1, 20952270), (2, 10476135), (3, 6984090), (5, 4190454), (6, 3492045), (9, 2328030), (10, 2095227), (15, 1396818), (18, 1164015), (27, 776010), (30, 698409), (45, 465606), (54, 388005), (81, 258670), (90, 232803), (135, 155202), (162, 129335), (270, 77601), (405, 51734), (810, 25867)]