20124976

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{9049}}^1$

素因数の和:9196

約数の個数: 20

約数和(自身を含む): 39277000

約数和(自身を除く): 19152024

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 9049, 18098, 36196, 72392, 144784, 1257811, 2515622, 5031244, 10062488, 20124976]

約数ペア:

[(1, 20124976), (2, 10062488), (4, 5031244), (8, 2515622), (16, 1257811), (139, 144784), (278, 72392), (556, 36196), (1112, 18098), (2224, 9049)]