2017389740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1420697}}^1$

素因数の和:1420777

約数の個数: 24

約数和(自身を含む): 4296190752

約数和(自身を除く): 2278801012

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1420697, 2841394, 5682788, 7103485, 14206970, 28413940, 100869487, 201738974, 403477948, 504347435, 1008694870, 2017389740]

約数ペア:

[(1, 2017389740), (2, 1008694870), (4, 504347435), (5, 403477948), (10, 201738974), (20, 100869487), (71, 28413940), (142, 14206970), (284, 7103485), (355, 5682788), (710, 2841394), (1420, 1420697)]