20126830

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 37296000

約数和(自身を除く): 17169170

約数列:

[1, 2, 5, 10, 73, 79, 146, 158, 349, 365, 395, 698, 730, 790, 1745, 3490, 5767, 11534, 25477, 27571, 28835, 50954, 55142, 57670, 127385, 137855, 254770, 275710, 2012683, 4025366, 10063415, 20126830]

約数ペア:

[(1, 20126830), (2, 10063415), (5, 4025366), (10, 2012683), (73, 275710), (79, 254770), (146, 137855), (158, 127385), (349, 57670), (365, 55142), (395, 50954), (698, 28835), (730, 27571), (790, 25477), (1745, 11534), (3490, 5767)]