20372392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{919}}^1$

素因数の和:1105

約数の個数: 32

約数和(自身を含む): 40737600

約数和(自身を除く): 20365208

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 163, 326, 652, 919, 1304, 1838, 2771, 3676, 5542, 7352, 11084, 15623, 22168, 31246, 62492, 124984, 149797, 299594, 599188, 1198376, 2546549, 5093098, 10186196, 20372392]

約数ペア:

[(1, 20372392), (2, 10186196), (4, 5093098), (8, 2546549), (17, 1198376), (34, 599188), (68, 299594), (136, 149797), (163, 124984), (326, 62492), (652, 31246), (919, 22168), (1304, 15623), (1838, 11084), (2771, 7352), (3676, 5542)]