20108375

素因数分解:

$5^3\times 7^4\times {\mathrm{67}}^1$

素因数の和:110

約数の個数: 40

約数和(自身を含む): 29713008

約数和(自身を除く): 9604633

約数列:

[1, 5, 7, 25, 35, 49, 67, 125, 175, 245, 335, 343, 469, 875, 1225, 1675, 1715, 2345, 2401, 3283, 6125, 8375, 8575, 11725, 12005, 16415, 22981, 42875, 58625, 60025, 82075, 114905, 160867, 300125, 410375, 574525, 804335, 2872625, 4021675, 20108375]

約数ペア:

[(1, 20108375), (5, 4021675), (7, 2872625), (25, 804335), (35, 574525), (49, 410375), (67, 300125), (125, 160867), (175, 114905), (245, 82075), (335, 60025), (343, 58625), (469, 42875), (875, 22981), (1225, 16415), (1675, 12005), (1715, 11725), (2345, 8575), (2401, 8375), (3283, 6125)]