20619812

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{1193}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 37611000

約数和(自身を除く): 16991188

約数列:

[1, 2, 4, 29, 58, 116, 149, 298, 596, 1193, 2386, 4321, 4772, 8642, 17284, 34597, 69194, 138388, 177757, 355514, 711028, 5154953, 10309906, 20619812]

約数ペア:

[(1, 20619812), (2, 10309906), (4, 5154953), (29, 711028), (58, 355514), (116, 177757), (149, 138388), (298, 69194), (596, 34597), (1193, 17284), (2386, 8642), (4321, 4772)]