20005395

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4261}}^1$

素因数の和:4582

約数の個数: 16

約数和(自身を含む): 32118432

約数和(自身を除く): 12113037

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4261, 4695, 12783, 21305, 63915, 1333693, 4001079, 6668465, 20005395]

約数ペア:

[(1, 20005395), (3, 6668465), (5, 4001079), (15, 1333693), (313, 63915), (939, 21305), (1565, 12783), (4261, 4695)]