20177500916

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1597}}^1\times {\mathrm{39983}}^1$

素因数の和:41663

約数の個数: 24

約数和(自身を含む): 35780881920

約数和(自身を除く): 15603381004

約数列:

[1, 2, 4, 79, 158, 316, 1597, 3194, 6388, 39983, 79966, 126163, 159932, 252326, 504652, 3158657, 6317314, 12634628, 63852851, 127705702, 255411404, 5044375229, 10088750458, 20177500916]

約数ペア:

[(1, 20177500916), (2, 10088750458), (4, 5044375229), (79, 255411404), (158, 127705702), (316, 63852851), (1597, 12634628), (3194, 6317314), (6388, 3158657), (39983, 504652), (79966, 252326), (126163, 159932)]