20265255

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3491}}^1$

素因数の和:3548

約数の個数: 32

約数和(自身を含む): 36875520

約数和(自身を除く): 16610265

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3491, 5805, 10473, 17455, 31419, 52365, 94257, 150113, 157095, 450339, 471285, 750565, 1351017, 2251695, 4053051, 6755085, 20265255]

約数ペア:

[(1, 20265255), (3, 6755085), (5, 4053051), (9, 2251695), (15, 1351017), (27, 750565), (43, 471285), (45, 450339), (129, 157095), (135, 150113), (215, 94257), (387, 52365), (645, 31419), (1161, 17455), (1935, 10473), (3491, 5805)]