20690784

素因数分解:

$2^5\times 3^2\times {\mathrm{71843}}^1$

素因数の和:71859

約数の個数: 36

約数和(自身を含む): 58840236

約数和(自身を除く): 38149452

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 71843, 143686, 215529, 287372, 431058, 574744, 646587, 862116, 1149488, 1293174, 1724232, 2298976, 2586348, 3448464, 5172696, 6896928, 10345392, 20690784]

約数ペア:

[(1, 20690784), (2, 10345392), (3, 6896928), (4, 5172696), (6, 3448464), (8, 2586348), (9, 2298976), (12, 1724232), (16, 1293174), (18, 1149488), (24, 862116), (32, 646587), (36, 574744), (48, 431058), (72, 287372), (96, 215529), (144, 143686), (288, 71843)]