20697422

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{8929}}^1$

素因数の和:9011

約数の個数: 16

約数和(自身を含む): 33219600

約数和(自身を除く): 12522178

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2318, 8929, 17858, 169651, 339302, 544669, 1089338, 10348711, 20697422]

約数ペア:

[(1, 20697422), (2, 10348711), (19, 1089338), (38, 544669), (61, 339302), (122, 169651), (1159, 17858), (2318, 8929)]