20722046

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{10289}}^1$

素因数の和:10363

約数の個数: 16

約数和(自身を含む): 33339600

約数和(自身を除く): 12617554

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 10289, 20578, 195491, 390982, 545317, 1090634, 10361023, 20722046]

約数ペア:

[(1, 20722046), (2, 10361023), (19, 1090634), (38, 545317), (53, 390982), (106, 195491), (1007, 20578), (2014, 10289)]