20349112360

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1\times {\mathrm{2357}}^1$

素因数の和:4606

約数の個数: 64

約数和(自身を含む): 46280088720

約数和(自身を除く): 25930976360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2137, 2357, 4040, 4274, 4714, 8548, 9428, 10685, 11785, 17096, 18856, 21370, 23570, 42740, 47140, 85480, 94280, 215837, 238057, 431674, 476114, 863348, 952228, 1079185, 1190285, 1726696, 1904456, 2158370, 2380570, 4316740, 4761140, 5036909, 8633480, 9522280, 10073818, 20147636, 25184545, 40295272, 50369090, 100738180, 201476360, 508727809, 1017455618, 2034911236, 2543639045, 4069822472, 5087278090, 10174556180, 20349112360]

約数ペア:

[(1, 20349112360), (2, 10174556180), (4, 5087278090), (5, 4069822472), (8, 2543639045), (10, 2034911236), (20, 1017455618), (40, 508727809), (101, 201476360), (202, 100738180), (404, 50369090), (505, 40295272), (808, 25184545), (1010, 20147636), (2020, 10073818), (2137, 9522280), (2357, 8633480), (4040, 5036909), (4274, 4761140), (4714, 4316740), (8548, 2380570), (9428, 2158370), (10685, 1904456), (11785, 1726696), (17096, 1190285), (18856, 1079185), (21370, 952228), (23570, 863348), (42740, 476114), (47140, 431674), (85480, 238057), (94280, 215837)]