20322016

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4441}}^1$

素因数の和:4475

約数の個数: 48

約数和(自身を含む): 47014128

約数和(自身を除く): 26692112

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4441, 4576, 8882, 17764, 35528, 48851, 57733, 71056, 97702, 115466, 142112, 195404, 230932, 390808, 461864, 635063, 781616, 923728, 1270126, 1563232, 1847456, 2540252, 5080504, 10161008, 20322016]

約数ペア:

[(1, 20322016), (2, 10161008), (4, 5080504), (8, 2540252), (11, 1847456), (13, 1563232), (16, 1270126), (22, 923728), (26, 781616), (32, 635063), (44, 461864), (52, 390808), (88, 230932), (104, 195404), (143, 142112), (176, 115466), (208, 97702), (286, 71056), (352, 57733), (416, 48851), (572, 35528), (1144, 17764), (2288, 8882), (4441, 4576)]