20492072

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1693}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 41164200

約数和(自身を除く): 20672128

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 1693, 3026, 3386, 6052, 6772, 12104, 13544, 28781, 57562, 115124, 150677, 230248, 301354, 602708, 1205416, 2561509, 5123018, 10246036, 20492072]

約数ペア:

[(1, 20492072), (2, 10246036), (4, 5123018), (8, 2561509), (17, 1205416), (34, 602708), (68, 301354), (89, 230248), (136, 150677), (178, 115124), (356, 57562), (712, 28781), (1513, 13544), (1693, 12104), (3026, 6772), (3386, 6052)]