20804950894

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1\times {\mathrm{117727}}^1$

素因数の和:118720

約数の個数: 32

約数和(自身を含む): 38449022976

約数和(自身を除く): 17644072082

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 971, 1942, 6797, 12623, 13594, 25246, 88361, 117727, 176722, 235454, 824089, 1530451, 1648178, 3060902, 10713157, 21426314, 114312917, 228625834, 800190419, 1486067921, 1600380838, 2972135842, 10402475447, 20804950894]

約数ペア:

[(1, 20804950894), (2, 10402475447), (7, 2972135842), (13, 1600380838), (14, 1486067921), (26, 800190419), (91, 228625834), (182, 114312917), (971, 21426314), (1942, 10713157), (6797, 3060902), (12623, 1648178), (13594, 1530451), (25246, 824089), (88361, 235454), (117727, 176722)]