20490984

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{16741}}^1$

素因数の和:16770

約数の個数: 48

約数和(自身を含む): 58764420

約数和(自身を除く): 38273436

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 16741, 33482, 50223, 66964, 100446, 133928, 150669, 200892, 284597, 301338, 401784, 569194, 602676, 853791, 1138388, 1205352, 1707582, 2276776, 2561373, 3415164, 5122746, 6830328, 10245492, 20490984]

約数ペア:

[(1, 20490984), (2, 10245492), (3, 6830328), (4, 5122746), (6, 3415164), (8, 2561373), (9, 2276776), (12, 1707582), (17, 1205352), (18, 1138388), (24, 853791), (34, 602676), (36, 569194), (51, 401784), (68, 301338), (72, 284597), (102, 200892), (136, 150669), (153, 133928), (204, 100446), (306, 66964), (408, 50223), (612, 33482), (1224, 16741)]