20136880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6803}}^1$

素因数の和:6853

約数の個数: 40

約数和(自身を含む): 48090672

約数和(自身を除く): 27953792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6803, 13606, 27212, 34015, 54424, 68030, 108848, 136060, 251711, 272120, 503422, 544240, 1006844, 1258555, 2013688, 2517110, 4027376, 5034220, 10068440, 20136880]

約数ペア:

[(1, 20136880), (2, 10068440), (4, 5034220), (5, 4027376), (8, 2517110), (10, 2013688), (16, 1258555), (20, 1006844), (37, 544240), (40, 503422), (74, 272120), (80, 251711), (148, 136060), (185, 108848), (296, 68030), (370, 54424), (592, 34015), (740, 27212), (1480, 13606), (2960, 6803)]