20178800385

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2129}}^1\times {\mathrm{3491}}^1$

素因数の和:5809

約数の個数: 32

約数和(自身を含む): 32489009280

約数和(自身を除く): 12310208895

約数列:

[1, 3, 5, 15, 181, 543, 905, 2129, 2715, 3491, 6387, 10473, 10645, 17455, 31935, 52365, 385349, 631871, 1156047, 1895613, 1926745, 3159355, 5780235, 7432339, 9478065, 22297017, 37161695, 111485085, 1345253359, 4035760077, 6726266795, 20178800385]

約数ペア:

[(1, 20178800385), (3, 6726266795), (5, 4035760077), (15, 1345253359), (181, 111485085), (543, 37161695), (905, 22297017), (2129, 9478065), (2715, 7432339), (3491, 5780235), (6387, 3159355), (10473, 1926745), (10645, 1895613), (17455, 1156047), (31935, 631871), (52365, 385349)]