20679356

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2111}}^1$

素因数の和:2225

約数の個数: 24

約数和(自身を含む): 37847040

約数和(自身を除く): 17167684

約数列:

[1, 2, 4, 31, 62, 79, 124, 158, 316, 2111, 2449, 4222, 4898, 8444, 9796, 65441, 130882, 166769, 261764, 333538, 667076, 5169839, 10339678, 20679356]

約数ペア:

[(1, 20679356), (2, 10339678), (4, 5169839), (31, 667076), (62, 333538), (79, 261764), (124, 166769), (158, 130882), (316, 65441), (2111, 9796), (2449, 8444), (4222, 4898)]