20184028

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:777

約数の個数: 24

約数和(自身を含む): 36368640

約数和(自身を除く): 16184612

約数列:

[1, 2, 4, 43, 86, 172, 239, 478, 491, 956, 982, 1964, 10277, 20554, 21113, 41108, 42226, 84452, 117349, 234698, 469396, 5046007, 10092014, 20184028]

約数ペア:

[(1, 20184028), (2, 10092014), (4, 5046007), (43, 469396), (86, 234698), (172, 117349), (239, 84452), (478, 42226), (491, 41108), (956, 21113), (982, 20554), (1964, 10277)]