20428752

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{13729}}^1$

素因数の和:13771

約数の個数: 40

約数和(自身を含む): 54480640

約数和(自身を除く): 34051888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 372, 496, 744, 1488, 13729, 27458, 41187, 54916, 82374, 109832, 164748, 219664, 329496, 425599, 658992, 851198, 1276797, 1702396, 2553594, 3404792, 5107188, 6809584, 10214376, 20428752]

約数ペア:

[(1, 20428752), (2, 10214376), (3, 6809584), (4, 5107188), (6, 3404792), (8, 2553594), (12, 1702396), (16, 1276797), (24, 851198), (31, 658992), (48, 425599), (62, 329496), (93, 219664), (124, 164748), (186, 109832), (248, 82374), (372, 54916), (496, 41187), (744, 27458), (1488, 13729)]