20358684

素因数分解:

$2^2\times 3^2\times {\mathrm{565519}}^1$

素因数の和:565529

約数の個数: 18

約数和(自身を含む): 51462320

約数和(自身を除く): 31103636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 565519, 1131038, 1696557, 2262076, 3393114, 5089671, 6786228, 10179342, 20358684]

約数ペア:

[(1, 20358684), (2, 10179342), (3, 6786228), (4, 5089671), (6, 3393114), (9, 2262076), (12, 1696557), (18, 1131038), (36, 565519)]