20354096

素因数分解:

$2^4\times 7^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1$

素因数の和:969

約数の個数: 40

約数和(自身を含む): 45306624

約数和(自身を除く): 24952528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 263, 526, 691, 1052, 1382, 1841, 2104, 2764, 3682, 4208, 4837, 5528, 7364, 9674, 11056, 14728, 19348, 29456, 38696, 77392, 181733, 363466, 726932, 1272131, 1453864, 2544262, 2907728, 5088524, 10177048, 20354096]

約数ペア:

[(1, 20354096), (2, 10177048), (4, 5088524), (7, 2907728), (8, 2544262), (14, 1453864), (16, 1272131), (28, 726932), (56, 363466), (112, 181733), (263, 77392), (526, 38696), (691, 29456), (1052, 19348), (1382, 14728), (1841, 11056), (2104, 9674), (2764, 7364), (3682, 5528), (4208, 4837)]