20918736

素因数分解:

$2^4\times 3^4\times {\mathrm{16141}}^1$

素因数の和:16161

約数の個数: 50

約数和(自身を含む): 60548642

約数和(自身を除く): 39629906

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 16141, 32282, 48423, 64564, 96846, 129128, 145269, 193692, 258256, 290538, 387384, 435807, 581076, 774768, 871614, 1162152, 1307421, 1743228, 2324304, 2614842, 3486456, 5229684, 6972912, 10459368, 20918736]

約数ペア:

[(1, 20918736), (2, 10459368), (3, 6972912), (4, 5229684), (6, 3486456), (8, 2614842), (9, 2324304), (12, 1743228), (16, 1307421), (18, 1162152), (24, 871614), (27, 774768), (36, 581076), (48, 435807), (54, 387384), (72, 290538), (81, 258256), (108, 193692), (144, 145269), (162, 129128), (216, 96846), (324, 64564), (432, 48423), (648, 32282), (1296, 16141)]