20187219

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1373}}^1$

素因数の和:1431

約数の個数: 24

約数和(自身を含む): 30173040

約数和(自身を除く): 9985821

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1373, 4119, 4901, 14703, 17849, 39817, 53547, 119451, 232037, 517621, 696111, 1552863, 6729073, 20187219]

約数ペア:

[(1, 20187219), (3, 6729073), (13, 1552863), (29, 696111), (39, 517621), (87, 232037), (169, 119451), (377, 53547), (507, 39817), (1131, 17849), (1373, 14703), (4119, 4901)]