20770724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{21023}}^1$

素因数の和:21059

約数の個数: 24

約数和(自身を含む): 41207040

約数和(自身を除く): 20436316

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 21023, 42046, 84092, 273299, 399437, 546598, 798874, 1093196, 1597748, 5192681, 10385362, 20770724]

約数ペア:

[(1, 20770724), (2, 10385362), (4, 5192681), (13, 1597748), (19, 1093196), (26, 798874), (38, 546598), (52, 399437), (76, 273299), (247, 84092), (494, 42046), (988, 21023)]