20406987126

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1\times {\mathrm{787}}^1$

素因数の和:1143

約数の個数: 128

約数和(自身を含む): 48414720000

約数和(自身を除く): 28007732874

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 114, 127, 171, 199, 254, 342, 381, 398, 513, 597, 762, 787, 1026, 1143, 1194, 1574, 1791, 2286, 2361, 2413, 3429, 3582, 3781, 4722, 4826, 5373, 6858, 7083, 7239, 7562, 10746, 11343, 14166, 14478, 14953, 21249, 21717, 22686, 25273, 29906, 34029, 42498, 43434, 44859, 50546, 65151, 68058, 75819, 89718, 99949, 102087, 130302, 134577, 151638, 156613, 199898, 204174, 227457, 269154, 299847, 313226, 403731, 454914, 469839, 480187, 599694, 682371, 807462, 899541, 939678, 960374, 1364742, 1409517, 1440561, 1799082, 1899031, 2698623, 2819034, 2881122, 2975647, 3798062, 4228551, 4321683, 5397246, 5697093, 5951294, 8457102, 8643366, 8926941, 11394186, 12965049, 17091279, 17853882, 19889851, 25930098, 26780823, 34182558, 39779702, 51273837, 53561646, 59669553, 80342469, 102547674, 119339106, 160684938, 179008659, 358017318, 377907169, 537025977, 755814338, 1074051954, 1133721507, 2267443014, 3401164521, 6802329042, 10203493563, 20406987126]

約数ペア:

[(1, 20406987126), (2, 10203493563), (3, 6802329042), (6, 3401164521), (9, 2267443014), (18, 1133721507), (19, 1074051954), (27, 755814338), (38, 537025977), (54, 377907169), (57, 358017318), (114, 179008659), (127, 160684938), (171, 119339106), (199, 102547674), (254, 80342469), (342, 59669553), (381, 53561646), (398, 51273837), (513, 39779702), (597, 34182558), (762, 26780823), (787, 25930098), (1026, 19889851), (1143, 17853882), (1194, 17091279), (1574, 12965049), (1791, 11394186), (2286, 8926941), (2361, 8643366), (2413, 8457102), (3429, 5951294), (3582, 5697093), (3781, 5397246), (4722, 4321683), (4826, 4228551), (5373, 3798062), (6858, 2975647), (7083, 2881122), (7239, 2819034), (7562, 2698623), (10746, 1899031), (11343, 1799082), (14166, 1440561), (14478, 1409517), (14953, 1364742), (21249, 960374), (21717, 939678), (22686, 899541), (25273, 807462), (29906, 682371), (34029, 599694), (42498, 480187), (43434, 469839), (44859, 454914), (50546, 403731), (65151, 313226), (68058, 299847), (75819, 269154), (89718, 227457), (99949, 204174), (102087, 199898), (130302, 156613), (134577, 151638)]