20746192

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:467

約数の個数: 40

約数和(自身を含む): 41917952

約数和(自身を除く): 21171760

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 277, 302, 496, 554, 604, 1108, 1208, 2216, 2416, 4432, 4681, 8587, 9362, 17174, 18724, 34348, 37448, 41827, 68696, 74896, 83654, 137392, 167308, 334616, 669232, 1296637, 2593274, 5186548, 10373096, 20746192]

約数ペア:

[(1, 20746192), (2, 10373096), (4, 5186548), (8, 2593274), (16, 1296637), (31, 669232), (62, 334616), (124, 167308), (151, 137392), (248, 83654), (277, 74896), (302, 68696), (496, 41827), (554, 37448), (604, 34348), (1108, 18724), (1208, 17174), (2216, 9362), (2416, 8587), (4432, 4681)]