20706425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{587}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 27560736

約数和(自身を除く): 6854311

約数列:

[1, 5, 17, 25, 83, 85, 415, 425, 587, 1411, 2075, 2935, 7055, 9979, 14675, 35275, 48721, 49895, 243605, 249475, 828257, 1218025, 4141285, 20706425]

約数ペア:

[(1, 20706425), (5, 4141285), (17, 1218025), (25, 828257), (83, 249475), (85, 243605), (415, 49895), (425, 48721), (587, 35275), (1411, 14675), (2075, 9979), (2935, 7055)]