20357208

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:701

約数の個数: 96

約数和(自身を含む): 60652800

約数和(自身を除く): 40295592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 23, 24, 36, 38, 46, 57, 69, 72, 76, 92, 114, 138, 152, 171, 184, 207, 228, 276, 342, 414, 437, 456, 552, 647, 684, 828, 874, 1294, 1311, 1368, 1656, 1748, 1941, 2588, 2622, 3496, 3882, 3933, 5176, 5244, 5823, 7764, 7866, 10488, 11646, 12293, 14881, 15528, 15732, 23292, 24586, 29762, 31464, 36879, 44643, 46584, 49172, 59524, 73758, 89286, 98344, 110637, 119048, 133929, 147516, 178572, 221274, 267858, 282739, 295032, 357144, 442548, 535716, 565478, 848217, 885096, 1071432, 1130956, 1696434, 2261912, 2544651, 3392868, 5089302, 6785736, 10178604, 20357208]

約数ペア:

[(1, 20357208), (2, 10178604), (3, 6785736), (4, 5089302), (6, 3392868), (8, 2544651), (9, 2261912), (12, 1696434), (18, 1130956), (19, 1071432), (23, 885096), (24, 848217), (36, 565478), (38, 535716), (46, 442548), (57, 357144), (69, 295032), (72, 282739), (76, 267858), (92, 221274), (114, 178572), (138, 147516), (152, 133929), (171, 119048), (184, 110637), (207, 98344), (228, 89286), (276, 73758), (342, 59524), (414, 49172), (437, 46584), (456, 44643), (552, 36879), (647, 31464), (684, 29762), (828, 24586), (874, 23292), (1294, 15732), (1311, 15528), (1368, 14881), (1656, 12293), (1748, 11646), (1941, 10488), (2588, 7866), (2622, 7764), (3496, 5823), (3882, 5244), (3933, 5176)]