20508717204

素因数分解:

$2^2\times 3^2\times {\mathrm{157}}^1\times {\mathrm{617}}^1\times {\mathrm{5881}}^1$

素因数の和:6665

約数の個数: 72

約数和(自身を含む): 52265122728

約数和(自身を除く): 31756405524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 157, 314, 471, 617, 628, 942, 1234, 1413, 1851, 1884, 2468, 2826, 3702, 5553, 5652, 5881, 7404, 11106, 11762, 17643, 22212, 23524, 35286, 52929, 70572, 96869, 105858, 193738, 211716, 290607, 387476, 581214, 871821, 923317, 1162428, 1743642, 1846634, 2769951, 3487284, 3628577, 3693268, 5539902, 7257154, 8309853, 10885731, 11079804, 14514308, 16619706, 21771462, 32657193, 33239412, 43542924, 65314386, 130628772, 569686589, 1139373178, 1709059767, 2278746356, 3418119534, 5127179301, 6836239068, 10254358602, 20508717204]

約数ペア:

[(1, 20508717204), (2, 10254358602), (3, 6836239068), (4, 5127179301), (6, 3418119534), (9, 2278746356), (12, 1709059767), (18, 1139373178), (36, 569686589), (157, 130628772), (314, 65314386), (471, 43542924), (617, 33239412), (628, 32657193), (942, 21771462), (1234, 16619706), (1413, 14514308), (1851, 11079804), (1884, 10885731), (2468, 8309853), (2826, 7257154), (3702, 5539902), (5553, 3693268), (5652, 3628577), (5881, 3487284), (7404, 2769951), (11106, 1846634), (11762, 1743642), (17643, 1162428), (22212, 923317), (23524, 871821), (35286, 581214), (52929, 387476), (70572, 290607), (96869, 211716), (105858, 193738)]