20215214930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1489}}^1\times {\mathrm{79861}}^1$

素因数の和:81374

約数の個数: 32

約数和(自身を含む): 38554179120

約数和(自身を除く): 18338964190

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1489, 2978, 7445, 14890, 25313, 50626, 79861, 126565, 159722, 253130, 399305, 798610, 1357637, 2715274, 6788185, 13576370, 118913029, 237826058, 594565145, 1189130290, 2021521493, 4043042986, 10107607465, 20215214930]

約数ペア:

[(1, 20215214930), (2, 10107607465), (5, 4043042986), (10, 2021521493), (17, 1189130290), (34, 594565145), (85, 237826058), (170, 118913029), (1489, 13576370), (2978, 6788185), (7445, 2715274), (14890, 1357637), (25313, 798610), (50626, 399305), (79861, 253130), (126565, 159722)]