20172975507

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{3943}}^1\times {\mathrm{9973}}^1$

素因数の和:13944

約数の個数: 32

約数和(自身を含む): 31469964800

約数和(自身を除く): 11296989293

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 3943, 9973, 11829, 29919, 35487, 74917, 89757, 106461, 189487, 224751, 269271, 568461, 674253, 1705383, 2022759, 5116149, 39323539, 117970617, 353911851, 747147241, 1061735553, 2241441723, 6724325169, 20172975507]

約数ペア:

[(1, 20172975507), (3, 6724325169), (9, 2241441723), (19, 1061735553), (27, 747147241), (57, 353911851), (171, 117970617), (513, 39323539), (3943, 5116149), (9973, 2022759), (11829, 1705383), (29919, 674253), (35487, 568461), (74917, 269271), (89757, 224751), (106461, 189487)]