20885522

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78517}}^1$

素因数の和:78545

約数の個数: 16

約数和(自身を含む): 37688640

約数和(自身を除く): 16803118

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 78517, 157034, 549619, 1099238, 1491823, 2983646, 10442761, 20885522]

約数ペア:

[(1, 20885522), (2, 10442761), (7, 2983646), (14, 1491823), (19, 1099238), (38, 549619), (133, 157034), (266, 78517)]