20903796

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18731}}^1$

素因数の和:18772

約数の個数: 36

約数和(自身を含む): 54547584

約数和(自身を除く): 33643788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18731, 37462, 56193, 74924, 112386, 168579, 224772, 337158, 580661, 674316, 1161322, 1741983, 2322644, 3483966, 5225949, 6967932, 10451898, 20903796]

約数ペア:

[(1, 20903796), (2, 10451898), (3, 6967932), (4, 5225949), (6, 3483966), (9, 2322644), (12, 1741983), (18, 1161322), (31, 674316), (36, 580661), (62, 337158), (93, 224772), (124, 168579), (186, 112386), (279, 74924), (372, 56193), (558, 37462), (1116, 18731)]