20198648

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{827}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 39346560

約数和(自身を除く): 19147912

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 827, 1654, 3053, 3308, 6106, 6616, 12212, 24424, 35561, 58717, 71122, 117434, 142244, 234868, 284488, 469736, 2524831, 5049662, 10099324, 20198648]

約数ペア:

[(1, 20198648), (2, 10099324), (4, 5049662), (8, 2524831), (43, 469736), (71, 284488), (86, 234868), (142, 142244), (172, 117434), (284, 71122), (344, 58717), (568, 35561), (827, 24424), (1654, 12212), (3053, 6616), (3308, 6106)]