20489322

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6871}}^1$

素因数の和:6954

約数の個数: 32

約数和(自身を含む): 47499264

約数和(自身を除く): 27009942

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6871, 13742, 20613, 41226, 48097, 96194, 144291, 288582, 487841, 975682, 1463523, 2927046, 3414887, 6829774, 10244661, 20489322]

約数ペア:

[(1, 20489322), (2, 10244661), (3, 6829774), (6, 3414887), (7, 2927046), (14, 1463523), (21, 975682), (42, 487841), (71, 288582), (142, 144291), (213, 96194), (426, 48097), (497, 41226), (994, 20613), (1491, 13742), (2982, 6871)]