20046440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10663}}^1$

素因数の和:10721

約数の個数: 32

約数和(自身を含む): 46068480

約数和(自身を除く): 26022040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10663, 21326, 42652, 53315, 85304, 106630, 213260, 426520, 501161, 1002322, 2004644, 2505805, 4009288, 5011610, 10023220, 20046440]

約数ペア:

[(1, 20046440), (2, 10023220), (4, 5011610), (5, 4009288), (8, 2505805), (10, 2004644), (20, 1002322), (40, 501161), (47, 426520), (94, 213260), (188, 106630), (235, 85304), (376, 53315), (470, 42652), (940, 21326), (1880, 10663)]