20020048

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{223}}^1$

素因数の和:443

約数の個数: 40

約数和(自身を含む): 40441856

約数和(自身を除く): 20421808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 181, 223, 248, 362, 446, 496, 724, 892, 1448, 1784, 2896, 3568, 5611, 6913, 11222, 13826, 22444, 27652, 40363, 44888, 55304, 80726, 89776, 110608, 161452, 322904, 645808, 1251253, 2502506, 5005012, 10010024, 20020048]

約数ペア:

[(1, 20020048), (2, 10010024), (4, 5005012), (8, 2502506), (16, 1251253), (31, 645808), (62, 322904), (124, 161452), (181, 110608), (223, 89776), (248, 80726), (362, 55304), (446, 44888), (496, 40363), (724, 27652), (892, 22444), (1448, 13826), (1784, 11222), (2896, 6913), (3568, 5611)]