20848653820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{33626861}}^1$

素因数の和:33626901

約数の個数: 24

約数和(自身を含む): 45194502528

約数和(自身を除く): 24345848708

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 33626861, 67253722, 134507444, 168134305, 336268610, 672537220, 1042432691, 2084865382, 4169730764, 5212163455, 10424326910, 20848653820]

約数ペア:

[(1, 20848653820), (2, 10424326910), (4, 5212163455), (5, 4169730764), (10, 2084865382), (20, 1042432691), (31, 672537220), (62, 336268610), (124, 168134305), (155, 134507444), (310, 67253722), (620, 33626861)]