20795216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5881}}^1$

素因数の和:5919

約数の個数: 40

約数和(自身を含む): 45950184

約数和(自身を除く): 25154968

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5881, 11762, 23524, 47048, 76453, 94096, 99977, 152906, 199954, 305812, 399908, 611624, 799816, 1223248, 1299701, 1599632, 2599402, 5198804, 10397608, 20795216]

約数ペア:

[(1, 20795216), (2, 10397608), (4, 5198804), (8, 2599402), (13, 1599632), (16, 1299701), (17, 1223248), (26, 799816), (34, 611624), (52, 399908), (68, 305812), (104, 199954), (136, 152906), (208, 99977), (221, 94096), (272, 76453), (442, 47048), (884, 23524), (1768, 11762), (3536, 5881)]