23021020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{389}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 30050180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 269, 389, 538, 778, 1076, 1345, 1556, 1945, 2690, 2959, 3890, 4279, 5380, 5918, 7780, 8558, 11836, 14795, 17116, 21395, 29590, 42790, 59180, 85580, 104641, 209282, 418564, 523205, 1046410, 1151051, 2092820, 2302102, 4604204, 5755255, 11510510, 23021020]

約数ペア:

[(1, 23021020), (2, 11510510), (4, 5755255), (5, 4604204), (10, 2302102), (11, 2092820), (20, 1151051), (22, 1046410), (44, 523205), (55, 418564), (110, 209282), (220, 104641), (269, 85580), (389, 59180), (538, 42790), (778, 29590), (1076, 21395), (1345, 17116), (1556, 14795), (1945, 11836), (2690, 8558), (2959, 7780), (3890, 5918), (4279, 5380)]