20163956728

素因数分解:

$2^3\times {\mathrm{163}}^1\times {\mathrm{15463157}}^1$

素因数の和:15463326

約数の個数: 16

約数和(自身を含む): 38039368680

約数和(自身を除く): 17875411952

約数列:

[1, 2, 4, 8, 163, 326, 652, 1304, 15463157, 30926314, 61852628, 123705256, 2520494591, 5040989182, 10081978364, 20163956728]

約数ペア:

[(1, 20163956728), (2, 10081978364), (4, 5040989182), (8, 2520494591), (163, 123705256), (326, 61852628), (652, 30926314), (1304, 15463157)]