20123952961

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3690437}}^1$

素因数の和:3690504

約数の個数: 16

約数和(自身を含む): 24799743360

約数和(自身を除く): 4675790399

約数列:

[1, 7, 19, 41, 133, 287, 779, 5453, 3690437, 25833059, 70118303, 151307917, 490828121, 1059155419, 2874850423, 20123952961]

約数ペア:

[(1, 20123952961), (7, 2874850423), (19, 1059155419), (41, 490828121), (133, 151307917), (287, 70118303), (779, 25833059), (5453, 3690437)]