20731064823

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1376839}}^1$

素因数の和:1377091

約数の個数: 24

約数和(自身を含む): 34365926400

約数和(自身を除く): 13634861577

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 1376839, 4130517, 9637873, 12391551, 28913619, 86740857, 329064521, 987193563, 2303451647, 2961580689, 6910354941, 20731064823]

約数ペア:

[(1, 20731064823), (3, 6910354941), (7, 2961580689), (9, 2303451647), (21, 987193563), (63, 329064521), (239, 86740857), (717, 28913619), (1673, 12391551), (2151, 9637873), (5019, 4130517), (15057, 1376839)]