20755371

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10861}}^1$

素因数の和:10891

約数の個数: 24

約数和(自身を含む): 34671504

約数和(自身を除く): 13916133

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10861, 32583, 76027, 141193, 228081, 423579, 532189, 988351, 1596567, 2965053, 6918457, 20755371]

約数ペア:

[(1, 20755371), (3, 6918457), (7, 2965053), (13, 1596567), (21, 988351), (39, 532189), (49, 423579), (91, 228081), (147, 141193), (273, 76027), (637, 32583), (1911, 10861)]