20749416

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{167}}^2$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 53869440

約数和(自身を除く): 33120024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 167, 186, 248, 334, 372, 501, 668, 744, 1002, 1336, 2004, 4008, 5177, 10354, 15531, 20708, 27889, 31062, 41416, 55778, 62124, 83667, 111556, 124248, 167334, 223112, 334668, 669336, 864559, 1729118, 2593677, 3458236, 5187354, 6916472, 10374708, 20749416]

約数ペア:

[(1, 20749416), (2, 10374708), (3, 6916472), (4, 5187354), (6, 3458236), (8, 2593677), (12, 1729118), (24, 864559), (31, 669336), (62, 334668), (93, 223112), (124, 167334), (167, 124248), (186, 111556), (248, 83667), (334, 62124), (372, 55778), (501, 41416), (668, 31062), (744, 27889), (1002, 20708), (1336, 15531), (2004, 10354), (4008, 5177)]