20197980184

素因数分解:

$2^3\times {\mathrm{2213}}^1\times {\mathrm{1140871}}^1$

素因数の和:1143090

約数の個数: 16

約数和(自身を含む): 37888359120

約数和(自身を除く): 17690378936

約数列:

[1, 2, 4, 8, 2213, 4426, 8852, 17704, 1140871, 2281742, 4563484, 9126968, 2524747523, 5049495046, 10098990092, 20197980184]

約数ペア:

[(1, 20197980184), (2, 10098990092), (4, 5049495046), (8, 2524747523), (2213, 9126968), (4426, 4563484), (8852, 2281742), (17704, 1140871)]