20803420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{94561}}^1$

素因数の和:94581

約数の個数: 24

約数和(自身を含む): 47659248

約数和(自身を除く): 26855828

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 94561, 189122, 378244, 472805, 945610, 1040171, 1891220, 2080342, 4160684, 5200855, 10401710, 20803420]

約数ペア:

[(1, 20803420), (2, 10401710), (4, 5200855), (5, 4160684), (10, 2080342), (11, 1891220), (20, 1040171), (22, 945610), (44, 472805), (55, 378244), (110, 189122), (220, 94561)]