20323996

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{151}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 49029120

約数和(自身を除く): 28705124

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 23, 28, 38, 44, 46, 76, 77, 92, 133, 151, 154, 161, 209, 253, 266, 302, 308, 322, 418, 437, 506, 532, 604, 644, 836, 874, 1012, 1057, 1463, 1661, 1748, 1771, 2114, 2869, 2926, 3059, 3322, 3473, 3542, 4228, 4807, 5738, 5852, 6118, 6644, 6946, 7084, 9614, 11476, 11627, 12236, 13892, 19228, 20083, 23254, 24311, 31559, 33649, 38203, 40166, 46508, 48622, 63118, 65987, 67298, 76406, 80332, 97244, 126236, 131974, 134596, 152812, 220913, 263948, 267421, 441826, 461909, 534842, 725857, 883652, 923818, 1069684, 1451714, 1847636, 2903428, 5080999, 10161998, 20323996]

約数ペア:

[(1, 20323996), (2, 10161998), (4, 5080999), (7, 2903428), (11, 1847636), (14, 1451714), (19, 1069684), (22, 923818), (23, 883652), (28, 725857), (38, 534842), (44, 461909), (46, 441826), (76, 267421), (77, 263948), (92, 220913), (133, 152812), (151, 134596), (154, 131974), (161, 126236), (209, 97244), (253, 80332), (266, 76406), (302, 67298), (308, 65987), (322, 63118), (418, 48622), (437, 46508), (506, 40166), (532, 38203), (604, 33649), (644, 31559), (836, 24311), (874, 23254), (1012, 20083), (1057, 19228), (1463, 13892), (1661, 12236), (1748, 11627), (1771, 11476), (2114, 9614), (2869, 7084), (2926, 6946), (3059, 6644), (3322, 6118), (3473, 5852), (3542, 5738), (4228, 4807)]