20808008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8699}}^1$

素因数の和:8741

約数の個数: 32

約数和(自身を含む): 43848000

約数和(自身を除く): 23039992

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8699, 17398, 34796, 69592, 113087, 200077, 226174, 400154, 452348, 800308, 904696, 1600616, 2601001, 5202002, 10404004, 20808008]

約数ペア:

[(1, 20808008), (2, 10404004), (4, 5202002), (8, 2601001), (13, 1600616), (23, 904696), (26, 800308), (46, 452348), (52, 400154), (92, 226174), (104, 200077), (184, 113087), (299, 69592), (598, 34796), (1196, 17398), (2392, 8699)]