20096984

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1213}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 40062000

約数和(自身を除く): 19965016

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1213, 2071, 2426, 4142, 4852, 8284, 9704, 16568, 23047, 46094, 92188, 132217, 184376, 264434, 528868, 1057736, 2512123, 5024246, 10048492, 20096984]

約数ペア:

[(1, 20096984), (2, 10048492), (4, 5024246), (8, 2512123), (19, 1057736), (38, 528868), (76, 264434), (109, 184376), (152, 132217), (218, 92188), (436, 46094), (872, 23047), (1213, 16568), (2071, 9704), (2426, 8284), (4142, 4852)]