20214572

素因数分解:

$2^2\times 7^1\times {\mathrm{359}}^1\times {\mathrm{2011}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 40561920

約数和(自身を除く): 20347348

約数列:

[1, 2, 4, 7, 14, 28, 359, 718, 1436, 2011, 2513, 4022, 5026, 8044, 10052, 14077, 28154, 56308, 721949, 1443898, 2887796, 5053643, 10107286, 20214572]

約数ペア:

[(1, 20214572), (2, 10107286), (4, 5053643), (7, 2887796), (14, 1443898), (28, 721949), (359, 56308), (718, 28154), (1436, 14077), (2011, 10052), (2513, 8044), (4022, 5026)]