20081108

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{523}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 36533280

約数和(自身を除く): 16452172

約数列:

[1, 2, 4, 29, 58, 116, 331, 523, 662, 1046, 1324, 2092, 9599, 15167, 19198, 30334, 38396, 60668, 173113, 346226, 692452, 5020277, 10040554, 20081108]

約数ペア:

[(1, 20081108), (2, 10040554), (4, 5020277), (29, 692452), (58, 346226), (116, 173113), (331, 60668), (523, 38396), (662, 30334), (1046, 19198), (1324, 15167), (2092, 9599)]