20982794

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:830

約数の個数: 32

約数和(自身を含む): 38434176

約数和(自身を除く): 17451382

約数列:

[1, 2, 7, 14, 17, 34, 119, 131, 238, 262, 673, 917, 1346, 1834, 2227, 4454, 4711, 9422, 11441, 15589, 22882, 31178, 80087, 88163, 160174, 176326, 617141, 1234282, 1498771, 2997542, 10491397, 20982794]

約数ペア:

[(1, 20982794), (2, 10491397), (7, 2997542), (14, 1498771), (17, 1234282), (34, 617141), (119, 176326), (131, 160174), (238, 88163), (262, 80087), (673, 31178), (917, 22882), (1346, 15589), (1834, 11441), (2227, 9422), (4454, 4711)]