20717408

素因数分解:

$2^5\times {\mathrm{271}}^1\times {\mathrm{2389}}^1$

素因数の和:2670

約数の個数: 24

約数和(自身を含む): 40955040

約数和(自身を除く): 20237632

約数列:

[1, 2, 4, 8, 16, 32, 271, 542, 1084, 2168, 2389, 4336, 4778, 8672, 9556, 19112, 38224, 76448, 647419, 1294838, 2589676, 5179352, 10358704, 20717408]

約数ペア:

[(1, 20717408), (2, 10358704), (4, 5179352), (8, 2589676), (16, 1294838), (32, 647419), (271, 76448), (542, 38224), (1084, 19112), (2168, 9556), (2389, 8672), (4336, 4778)]