20362280

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10831}}^1$

素因数の和:10889

約数の個数: 32

約数和(自身を含む): 46794240

約数和(自身を除く): 26431960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10831, 21662, 43324, 54155, 86648, 108310, 216620, 433240, 509057, 1018114, 2036228, 2545285, 4072456, 5090570, 10181140, 20362280]

約数ペア:

[(1, 20362280), (2, 10181140), (4, 5090570), (5, 4072456), (8, 2545285), (10, 2036228), (20, 1018114), (40, 509057), (47, 433240), (94, 216620), (188, 108310), (235, 86648), (376, 54155), (470, 43324), (940, 21662), (1880, 10831)]