20449816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{62347}}^1$

素因数の和:62394

約数の個数: 16

約数和(自身を含む): 39279240

約数和(自身を除く): 18829424

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 62347, 124694, 249388, 498776, 2556227, 5112454, 10224908, 20449816]

約数ペア:

[(1, 20449816), (2, 10224908), (4, 5112454), (8, 2556227), (41, 498776), (82, 249388), (164, 124694), (328, 62347)]