20106197825

素因数分解:

$5^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{771091}}^1$

素因数の和:771257

約数の個数: 24

約数和(自身を含む): 28684622400

約数和(自身を除く): 8578424575

約数列:

[1, 5, 7, 25, 35, 149, 175, 745, 1043, 3725, 5215, 26075, 771091, 3855455, 5397637, 19277275, 26988185, 114892559, 134940925, 574462795, 804247913, 2872313975, 4021239565, 20106197825]

約数ペア:

[(1, 20106197825), (5, 4021239565), (7, 2872313975), (25, 804247913), (35, 574462795), (149, 134940925), (175, 114892559), (745, 26988185), (1043, 19277275), (3725, 5397637), (5215, 3855455), (26075, 771091)]