20264825

素因数分解:

$5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2693}}^1$

素因数の和:2753

約数の個数: 24

約数和(自身を含む): 29396928

約数和(自身を除く): 9132103

約数列:

[1, 5, 7, 25, 35, 43, 175, 215, 301, 1075, 1505, 2693, 7525, 13465, 18851, 67325, 94255, 115799, 471275, 578995, 810593, 2894975, 4052965, 20264825]

約数ペア:

[(1, 20264825), (5, 4052965), (7, 2894975), (25, 810593), (35, 578995), (43, 471275), (175, 115799), (215, 94255), (301, 67325), (1075, 18851), (1505, 13465), (2693, 7525)]