20663692

素因数分解:

$2^2\times 7^3\times {\mathrm{15061}}^1$

素因数の和:15086

約数の個数: 24

約数和(自身を含む): 42173600

約数和(自身を除く): 21509908

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 343, 686, 1372, 15061, 30122, 60244, 105427, 210854, 421708, 737989, 1475978, 2951956, 5165923, 10331846, 20663692]

約数ペア:

[(1, 20663692), (2, 10331846), (4, 5165923), (7, 2951956), (14, 1475978), (28, 737989), (49, 421708), (98, 210854), (196, 105427), (343, 60244), (686, 30122), (1372, 15061)]