20179746

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{1129}}^1$

素因数の和:1471

約数の個数: 32

約数和(自身を含む): 45019200

約数和(自身を除く): 24839454

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1129, 1986, 2258, 2979, 3387, 5958, 6774, 8937, 10161, 17874, 20322, 30483, 60966, 373699, 747398, 1121097, 2242194, 3363291, 6726582, 10089873, 20179746]

約数ペア:

[(1, 20179746), (2, 10089873), (3, 6726582), (6, 3363291), (9, 2242194), (18, 1121097), (27, 747398), (54, 373699), (331, 60966), (662, 30483), (993, 20322), (1129, 17874), (1986, 10161), (2258, 8937), (2979, 6774), (3387, 5958)]