20123492

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{211}}^2$

素因数の和:539

約数の個数: 18

約数和(自身を含む): 35696934

約数和(自身を除く): 15573442

約数列:

[1, 2, 4, 113, 211, 226, 422, 452, 844, 23843, 44521, 47686, 89042, 95372, 178084, 5030873, 10061746, 20123492]

約数ペア:

[(1, 20123492), (2, 10061746), (4, 5030873), (113, 178084), (211, 95372), (226, 89042), (422, 47686), (452, 44521), (844, 23843)]