20847352

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{63559}}^1$

素因数の和:63606

約数の個数: 16

約数和(自身を含む): 40042800

約数和(自身を除く): 19195448

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 63559, 127118, 254236, 508472, 2605919, 5211838, 10423676, 20847352]

約数ペア:

[(1, 20847352), (2, 10423676), (4, 5211838), (8, 2605919), (41, 508472), (82, 254236), (164, 127118), (328, 63559)]