20128861687

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1\times {\mathrm{1559}}^1$

素因数の和:2131

約数の個数: 32

約数和(自身を含む): 23332608000

約数和(自身を除く): 3203746313

約数列:

[1, 11, 19, 163, 209, 379, 1559, 1793, 3097, 4169, 7201, 17149, 29621, 34067, 61777, 79211, 254117, 325831, 590861, 679547, 1173763, 2795287, 4828223, 6499471, 11226359, 12911393, 53110453, 96310343, 123489949, 1059413773, 1829896517, 20128861687]

約数ペア:

[(1, 20128861687), (11, 1829896517), (19, 1059413773), (163, 123489949), (209, 96310343), (379, 53110453), (1559, 12911393), (1793, 11226359), (3097, 6499471), (4169, 4828223), (7201, 2795287), (17149, 1173763), (29621, 679547), (34067, 590861), (61777, 325831), (79211, 254117)]