2020144840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2281}}^1\times {\mathrm{3163}}^1$

素因数の和:5462

約数の個数: 64

約数和(自身を含む): 5198578560

約数和(自身を除く): 3178433720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2281, 3163, 4562, 6326, 9124, 11405, 12652, 15815, 15967, 18248, 22141, 22810, 25304, 31630, 31934, 44282, 45620, 63260, 63868, 79835, 88564, 91240, 110705, 126520, 127736, 159670, 177128, 221410, 319340, 442820, 638680, 885640, 7214803, 14429606, 28859212, 36074015, 50503621, 57718424, 72148030, 101007242, 144296060, 202014484, 252518105, 288592120, 404028968, 505036210, 1010072420, 2020144840]

約数ペア:

[(1, 2020144840), (2, 1010072420), (4, 505036210), (5, 404028968), (7, 288592120), (8, 252518105), (10, 202014484), (14, 144296060), (20, 101007242), (28, 72148030), (35, 57718424), (40, 50503621), (56, 36074015), (70, 28859212), (140, 14429606), (280, 7214803), (2281, 885640), (3163, 638680), (4562, 442820), (6326, 319340), (9124, 221410), (11405, 177128), (12652, 159670), (15815, 127736), (15967, 126520), (18248, 110705), (22141, 91240), (22810, 88564), (25304, 79835), (31630, 63868), (31934, 63260), (44282, 45620)]