20875718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{1733}}^1$

素因数の和:2071

約数の個数: 16

約数和(自身を含む): 33084720

約数和(自身を除く): 12209002

約数列:

[1, 2, 19, 38, 317, 634, 1733, 3466, 6023, 12046, 32927, 65854, 549361, 1098722, 10437859, 20875718]

約数ペア:

[(1, 20875718), (2, 10437859), (19, 1098722), (38, 549361), (317, 65854), (634, 32927), (1733, 12046), (3466, 6023)]