20945018

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{1091}}^1$

素因数の和:1453

約数の個数: 16

約数和(自身を含む): 32628960

約数和(自身を除く): 11683942

約数列:

[1, 2, 29, 58, 331, 662, 1091, 2182, 9599, 19198, 31639, 63278, 361121, 722242, 10472509, 20945018]

約数ペア:

[(1, 20945018), (2, 10472509), (29, 722242), (58, 361121), (331, 63278), (662, 31639), (1091, 19198), (2182, 9599)]