20494312

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1847}}^1$

素因数の和:1945

約数の個数: 32

約数和(自身を含む): 41025600

約数和(自身を除く): 20531288

約数列:

[1, 2, 4, 8, 19, 38, 73, 76, 146, 152, 292, 584, 1387, 1847, 2774, 3694, 5548, 7388, 11096, 14776, 35093, 70186, 134831, 140372, 269662, 280744, 539324, 1078648, 2561789, 5123578, 10247156, 20494312]

約数ペア:

[(1, 20494312), (2, 10247156), (4, 5123578), (8, 2561789), (19, 1078648), (38, 539324), (73, 280744), (76, 269662), (146, 140372), (152, 134831), (292, 70186), (584, 35093), (1387, 14776), (1847, 11096), (2774, 7388), (3694, 5548)]