20722644

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{5281}}^1$

素因数の和:5400

約数の個数: 36

約数和(自身を含む): 52872820

約数和(自身を除く): 32150176

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 5281, 10562, 15843, 21124, 31686, 47529, 63372, 95058, 190116, 575629, 1151258, 1726887, 2302516, 3453774, 5180661, 6907548, 10361322, 20722644]

約数ペア:

[(1, 20722644), (2, 10361322), (3, 6907548), (4, 5180661), (6, 3453774), (9, 2302516), (12, 1726887), (18, 1151258), (36, 575629), (109, 190116), (218, 95058), (327, 63372), (436, 47529), (654, 31686), (981, 21124), (1308, 15843), (1962, 10562), (3924, 5281)]