20956719

素因数分解:

$3^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{4283}}^1$

素因数の和:4526

約数の個数: 16

約数和(自身を含む): 32078592

約数和(自身を除く): 11121873

約数列:

[1, 3, 7, 21, 233, 699, 1631, 4283, 4893, 12849, 29981, 89943, 997939, 2993817, 6985573, 20956719]

約数ペア:

[(1, 20956719), (3, 6985573), (7, 2993817), (21, 997939), (233, 89943), (699, 29981), (1631, 12849), (4283, 4893)]