20154530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4261}}^1$

素因数の和:4322

約数の個数: 32

約数和(自身を含む): 40506048

約数和(自身を除く): 20351518

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4261, 4730, 8522, 21305, 42610, 46871, 93742, 183223, 234355, 366446, 468710, 916115, 1832230, 2015453, 4030906, 10077265, 20154530]

約数ペア:

[(1, 20154530), (2, 10077265), (5, 4030906), (10, 2015453), (11, 1832230), (22, 916115), (43, 468710), (55, 366446), (86, 234355), (110, 183223), (215, 93742), (430, 46871), (473, 42610), (946, 21305), (2365, 8522), (4261, 4730)]