20670680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{7079}}^1$

素因数の和:7163

約数の個数: 32

約数和(自身を含む): 47152800

約数和(自身を除く): 26482120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 7079, 14158, 28316, 35395, 56632, 70790, 141580, 283160, 516767, 1033534, 2067068, 2583835, 4134136, 5167670, 10335340, 20670680]

約数ペア:

[(1, 20670680), (2, 10335340), (4, 5167670), (5, 4134136), (8, 2583835), (10, 2067068), (20, 1033534), (40, 516767), (73, 283160), (146, 141580), (292, 70790), (365, 56632), (584, 35395), (730, 28316), (1460, 14158), (2920, 7079)]