20706651

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1231}}^1$

素因数の和:1336

約数の個数: 32

約数和(自身を含む): 35481600

約数和(自身を除く): 14774949

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1231, 1869, 2403, 3693, 5607, 8617, 11079, 16821, 25851, 33237, 77553, 109559, 232659, 328677, 766913, 986031, 2300739, 2958093, 6902217, 20706651]

約数ペア:

[(1, 20706651), (3, 6902217), (7, 2958093), (9, 2300739), (21, 986031), (27, 766913), (63, 328677), (89, 232659), (189, 109559), (267, 77553), (623, 33237), (801, 25851), (1231, 16821), (1869, 11079), (2403, 8617), (3693, 5607)]