20953336

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{35879}}^1$

素因数の和:35958

約数の個数: 16

約数和(自身を含む): 39826800

約数和(自身を除く): 18873464

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 35879, 71758, 143516, 287032, 2619167, 5238334, 10476668, 20953336]

約数ペア:

[(1, 20953336), (2, 10476668), (4, 5238334), (8, 2619167), (73, 287032), (146, 143516), (292, 71758), (584, 35879)]