20067885

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3457}}^1$

素因数の和:3514

約数の個数: 32

約数和(自身を含む): 36516480

約数和(自身を除く): 16448595

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 3457, 5805, 10371, 17285, 31113, 51855, 93339, 148651, 155565, 445953, 466695, 743255, 1337859, 2229765, 4013577, 6689295, 20067885]

約数ペア:

[(1, 20067885), (3, 6689295), (5, 4013577), (9, 2229765), (15, 1337859), (27, 743255), (43, 466695), (45, 445953), (129, 155565), (135, 148651), (215, 93339), (387, 51855), (645, 31113), (1161, 17285), (1935, 10371), (3457, 5805)]