20640212862

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1987}}^1\times {\mathrm{59699}}^1$

素因数の和:61720

約数の個数: 32

約数和(自身を含む): 42726096000

約数和(自身を除く): 22085883138

約数列:

[1, 2, 3, 6, 29, 58, 87, 174, 1987, 3974, 5961, 11922, 57623, 59699, 115246, 119398, 172869, 179097, 345738, 358194, 1731271, 3462542, 5193813, 10387626, 118621913, 237243826, 355865739, 711731478, 3440035477, 6880070954, 10320106431, 20640212862]

約数ペア:

[(1, 20640212862), (2, 10320106431), (3, 6880070954), (6, 3440035477), (29, 711731478), (58, 355865739), (87, 237243826), (174, 118621913), (1987, 10387626), (3974, 5193813), (5961, 3462542), (11922, 1731271), (57623, 358194), (59699, 345738), (115246, 179097), (119398, 172869)]