20907248

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{10289}}^1$

素因数の和:10424

約数の個数: 20

約数和(自身を含む): 40830720

約数和(自身を除く): 19923472

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 10289, 20578, 41156, 82312, 164624, 1306703, 2613406, 5226812, 10453624, 20907248]

約数ペア:

[(1, 20907248), (2, 10453624), (4, 5226812), (8, 2613406), (16, 1306703), (127, 164624), (254, 82312), (508, 41156), (1016, 20578), (2032, 10289)]