20283320

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{10789}}^1$

素因数の和:10847

約数の個数: 32

約数和(自身を含む): 46612800

約数和(自身を除く): 26329480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 10789, 21578, 43156, 53945, 86312, 107890, 215780, 431560, 507083, 1014166, 2028332, 2535415, 4056664, 5070830, 10141660, 20283320]

約数ペア:

[(1, 20283320), (2, 10141660), (4, 5070830), (5, 4056664), (8, 2535415), (10, 2028332), (20, 1014166), (40, 507083), (47, 431560), (94, 215780), (188, 107890), (235, 86312), (376, 53945), (470, 43156), (940, 21578), (1880, 10789)]