20535392

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:331

約数の個数: 48

約数和(自身を含む): 42319872

約数和(自身を除く): 21784480

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 127, 163, 248, 254, 326, 496, 508, 652, 992, 1016, 1304, 2032, 2608, 3937, 4064, 5053, 5216, 7874, 10106, 15748, 20212, 20701, 31496, 40424, 41402, 62992, 80848, 82804, 125984, 161696, 165608, 331216, 641731, 662432, 1283462, 2566924, 5133848, 10267696, 20535392]

約数ペア:

[(1, 20535392), (2, 10267696), (4, 5133848), (8, 2566924), (16, 1283462), (31, 662432), (32, 641731), (62, 331216), (124, 165608), (127, 161696), (163, 125984), (248, 82804), (254, 80848), (326, 62992), (496, 41402), (508, 40424), (652, 31496), (992, 20701), (1016, 20212), (1304, 15748), (2032, 10106), (2608, 7874), (3937, 5216), (4064, 5053)]