20731040206

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1\times {\mathrm{818309}}^1$

素因数の和:818603

約数の個数: 16

約数和(自身を含む): 31815892800

約数和(自身を除く): 11084852594

約数列:

[1, 2, 53, 106, 239, 478, 12667, 25334, 818309, 1636618, 43370377, 86740754, 195575851, 391151702, 10365520103, 20731040206]

約数ペア:

[(1, 20731040206), (2, 10365520103), (53, 391151702), (106, 195575851), (239, 86740754), (478, 43370377), (12667, 1636618), (25334, 818309)]