20201830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4271}}^1$

素因数の和:4332

約数の個数: 32

約数和(自身を含む): 40601088

約数和(自身を除く): 20399258

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4271, 4730, 8542, 21355, 42710, 46981, 93962, 183653, 234905, 367306, 469810, 918265, 1836530, 2020183, 4040366, 10100915, 20201830]

約数ペア:

[(1, 20201830), (2, 10100915), (5, 4040366), (10, 2020183), (11, 1836530), (22, 918265), (43, 469810), (55, 367306), (86, 234905), (110, 183653), (215, 93962), (430, 46981), (473, 42710), (946, 21355), (2365, 8542), (4271, 4730)]