20470996

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{56239}}^1$

素因数の和:56263

約数の個数: 24

約数和(自身を含む): 44092160

約数和(自身を除く): 23621164

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 56239, 112478, 224956, 393673, 731107, 787346, 1462214, 1574692, 2924428, 5117749, 10235498, 20470996]

約数ペア:

[(1, 20470996), (2, 10235498), (4, 5117749), (7, 2924428), (13, 1574692), (14, 1462214), (26, 787346), (28, 731107), (52, 393673), (91, 224956), (182, 112478), (364, 56239)]