20128358

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{6163}}^1$

素因数の和:6259

約数の個数: 16

約数和(自身を含む): 31954176

約数和(自身を除く): 11825818

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 6163, 12326, 141749, 283498, 437573, 875146, 10064179, 20128358]

約数ペア:

[(1, 20128358), (2, 10064179), (23, 875146), (46, 437573), (71, 283498), (142, 141749), (1633, 12326), (3266, 6163)]