20413940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{60041}}^1$

素因数の和:60067

約数の個数: 24

約数和(自身を含む): 45391752

約数和(自身を除く): 24977812

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 60041, 120082, 240164, 300205, 600410, 1020697, 1200820, 2041394, 4082788, 5103485, 10206970, 20413940]

約数ペア:

[(1, 20413940), (2, 10206970), (4, 5103485), (5, 4082788), (10, 2041394), (17, 1200820), (20, 1020697), (34, 600410), (68, 300205), (85, 240164), (170, 120082), (340, 60041)]