20432725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 27105408

約数和(自身を除く): 6672683

約数列:

[1, 5, 17, 25, 85, 131, 367, 425, 655, 1835, 2227, 3275, 6239, 9175, 11135, 31195, 48077, 55675, 155975, 240385, 817309, 1201925, 4086545, 20432725]

約数ペア:

[(1, 20432725), (5, 4086545), (17, 1201925), (25, 817309), (85, 240385), (131, 155975), (367, 55675), (425, 48077), (655, 31195), (1835, 11135), (2227, 9175), (3275, 6239)]