20815454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 14891938

約数列:

[1, 2, 11, 22, 41, 47, 82, 94, 451, 491, 517, 902, 982, 1034, 1927, 3854, 5401, 10802, 20131, 21197, 23077, 40262, 42394, 46154, 221441, 253847, 442882, 507694, 946157, 1892314, 10407727, 20815454]

約数ペア:

[(1, 20815454), (2, 10407727), (11, 1892314), (22, 946157), (41, 507694), (47, 442882), (82, 253847), (94, 221441), (451, 46154), (491, 42394), (517, 40262), (902, 23077), (982, 21197), (1034, 20131), (1927, 10802), (3854, 5401)]