20402645

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{233}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 25002432

約数和(自身を除く): 4599787

約数列:

[1, 5, 83, 211, 233, 415, 1055, 1165, 17513, 19339, 49163, 87565, 96695, 245815, 4080529, 20402645]

約数ペア:

[(1, 20402645), (5, 4080529), (83, 245815), (211, 96695), (233, 87565), (415, 49163), (1055, 19339), (1165, 17513)]