20985300650

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2381}}^1\times {\mathrm{10369}}^1$

素因数の和:12779

約数の個数: 48

約数和(自身を含む): 41350043160

約数和(自身を除く): 20364742510

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 2381, 4762, 10369, 11905, 20738, 23810, 40477, 51845, 59525, 80954, 103690, 119050, 176273, 202385, 259225, 352546, 404770, 518450, 881365, 1011925, 1762730, 2023850, 4406825, 8813650, 24688589, 49377178, 123442945, 246885890, 419706013, 617214725, 839412026, 1234429450, 2098530065, 4197060130, 10492650325, 20985300650]

約数ペア:

[(1, 20985300650), (2, 10492650325), (5, 4197060130), (10, 2098530065), (17, 1234429450), (25, 839412026), (34, 617214725), (50, 419706013), (85, 246885890), (170, 123442945), (425, 49377178), (850, 24688589), (2381, 8813650), (4762, 4406825), (10369, 2023850), (11905, 1762730), (20738, 1011925), (23810, 881365), (40477, 518450), (51845, 404770), (59525, 352546), (80954, 259225), (103690, 202385), (119050, 176273)]