20097882

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 80

約数和(自身を含む): 52968960

約数和(自身を除く): 32871078

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 37, 42, 54, 63, 74, 81, 111, 126, 162, 189, 222, 259, 333, 378, 479, 518, 567, 666, 777, 958, 999, 1134, 1437, 1554, 1998, 2331, 2874, 2997, 3353, 4311, 4662, 5994, 6706, 6993, 8622, 10059, 12933, 13986, 17723, 20118, 20979, 25866, 30177, 35446, 38799, 41958, 53169, 60354, 77598, 90531, 106338, 124061, 159507, 181062, 248122, 271593, 319014, 372183, 478521, 543186, 744366, 957042, 1116549, 1435563, 2233098, 2871126, 3349647, 6699294, 10048941, 20097882]

約数ペア:

[(1, 20097882), (2, 10048941), (3, 6699294), (6, 3349647), (7, 2871126), (9, 2233098), (14, 1435563), (18, 1116549), (21, 957042), (27, 744366), (37, 543186), (42, 478521), (54, 372183), (63, 319014), (74, 271593), (81, 248122), (111, 181062), (126, 159507), (162, 124061), (189, 106338), (222, 90531), (259, 77598), (333, 60354), (378, 53169), (479, 41958), (518, 38799), (567, 35446), (666, 30177), (777, 25866), (958, 20979), (999, 20118), (1134, 17723), (1437, 13986), (1554, 12933), (1998, 10059), (2331, 8622), (2874, 6993), (2997, 6706), (3353, 5994), (4311, 4662)]