20849778

素因数分解:

$2^1\times 3^3\times {\mathrm{151}}^1\times {\mathrm{2557}}^1$

素因数の和:2719

約数の個数: 32

約数和(自身を含む): 46657920

約数和(自身を除く): 25808142

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 151, 302, 453, 906, 1359, 2557, 2718, 4077, 5114, 7671, 8154, 15342, 23013, 46026, 69039, 138078, 386107, 772214, 1158321, 2316642, 3474963, 6949926, 10424889, 20849778]

約数ペア:

[(1, 20849778), (2, 10424889), (3, 6949926), (6, 3474963), (9, 2316642), (18, 1158321), (27, 772214), (54, 386107), (151, 138078), (302, 69039), (453, 46026), (906, 23013), (1359, 15342), (2557, 8154), (2718, 7671), (4077, 5114)]