20348040069

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{914971}}^1$

素因数の和:915337

約数の個数: 24

約数和(自身を含む): 33685609152

約数和(自身を除く): 13337569083

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 7413, 22239, 914971, 2744913, 6404797, 8234739, 19214391, 57643173, 322984763, 968954289, 2260893341, 2906862867, 6782680023, 20348040069]

約数ペア:

[(1, 20348040069), (3, 6782680023), (7, 2906862867), (9, 2260893341), (21, 968954289), (63, 322984763), (353, 57643173), (1059, 19214391), (2471, 8234739), (3177, 6404797), (7413, 2744913), (22239, 914971)]