2020948600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{918613}}^1$

素因数の和:918640

約数の個数: 48

約数和(自身を含む): 5125866120

約数和(自身を除く): 3104917520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 918613, 1837226, 3674452, 4593065, 7348904, 9186130, 10104743, 18372260, 20209486, 22965325, 36744520, 40418972, 45930650, 50523715, 80837944, 91861300, 101047430, 183722600, 202094860, 252618575, 404189720, 505237150, 1010474300, 2020948600]

約数ペア:

[(1, 2020948600), (2, 1010474300), (4, 505237150), (5, 404189720), (8, 252618575), (10, 202094860), (11, 183722600), (20, 101047430), (22, 91861300), (25, 80837944), (40, 50523715), (44, 45930650), (50, 40418972), (55, 36744520), (88, 22965325), (100, 20209486), (110, 18372260), (200, 10104743), (220, 9186130), (275, 7348904), (440, 4593065), (550, 3674452), (1100, 1837226), (2200, 918613)]