20967625

素因数分解:

$5^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 30910464

約数和(自身を除く): 9942839

約数列:

[1, 5, 7, 25, 31, 35, 125, 155, 175, 217, 773, 775, 875, 1085, 3865, 3875, 5411, 5425, 19325, 23963, 27055, 27125, 96625, 119815, 135275, 167741, 599075, 676375, 838705, 2995375, 4193525, 20967625]

約数ペア:

[(1, 20967625), (5, 4193525), (7, 2995375), (25, 838705), (31, 676375), (35, 599075), (125, 167741), (155, 135275), (175, 119815), (217, 96625), (773, 27125), (775, 27055), (875, 23963), (1085, 19325), (3865, 5425), (3875, 5411)]