20849992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{599}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 41400000

約数和(自身を除く): 20550008

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 229, 458, 599, 916, 1198, 1832, 2396, 4351, 4792, 8702, 11381, 17404, 22762, 34808, 45524, 91048, 137171, 274342, 548684, 1097368, 2606249, 5212498, 10424996, 20849992]

約数ペア:

[(1, 20849992), (2, 10424996), (4, 5212498), (8, 2606249), (19, 1097368), (38, 548684), (76, 274342), (152, 137171), (229, 91048), (458, 45524), (599, 34808), (916, 22762), (1198, 17404), (1832, 11381), (2396, 8702), (4351, 4792)]