20248949620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{226549}}^1$

素因数の和:226708

約数の個数: 48

約数和(自身を含む): 43959762000

約数和(自身を除く): 23710812380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 109, 164, 205, 218, 410, 436, 545, 820, 1090, 2180, 4469, 8938, 17876, 22345, 44690, 89380, 226549, 453098, 906196, 1132745, 2265490, 4530980, 9288509, 18577018, 24693841, 37154036, 46442545, 49387682, 92885090, 98775364, 123469205, 185770180, 246938410, 493876820, 1012447481, 2024894962, 4049789924, 5062237405, 10124474810, 20248949620]

約数ペア:

[(1, 20248949620), (2, 10124474810), (4, 5062237405), (5, 4049789924), (10, 2024894962), (20, 1012447481), (41, 493876820), (82, 246938410), (109, 185770180), (164, 123469205), (205, 98775364), (218, 92885090), (410, 49387682), (436, 46442545), (545, 37154036), (820, 24693841), (1090, 18577018), (2180, 9288509), (4469, 4530980), (8938, 2265490), (17876, 1132745), (22345, 906196), (44690, 453098), (89380, 226549)]