20086450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{12959}}^1$

素因数の和:13002

約数の個数: 24

約数和(自身を含む): 38568960

約数和(自身を除く): 18482510

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 155, 310, 775, 1550, 12959, 25918, 64795, 129590, 323975, 401729, 647950, 803458, 2008645, 4017290, 10043225, 20086450]

約数ペア:

[(1, 20086450), (2, 10043225), (5, 4017290), (10, 2008645), (25, 803458), (31, 647950), (50, 401729), (62, 323975), (155, 129590), (310, 64795), (775, 25918), (1550, 12959)]