20553310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66301}}^1$

素因数の和:66339

約数の個数: 16

約数和(自身を含む): 38189952

約数和(自身を除く): 17636642

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 66301, 132602, 331505, 663010, 2055331, 4110662, 10276655, 20553310]

約数ペア:

[(1, 20553310), (2, 10276655), (5, 4110662), (10, 2055331), (31, 663010), (62, 331505), (155, 132602), (310, 66301)]