20834311856

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{2243}}^1$

素因数の和:2650

約数の個数: 80

約数和(自身を含む): 42508612608

約数和(自身を除く): 21674300752

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 307, 488, 496, 614, 976, 1228, 1891, 2243, 2456, 3782, 4486, 4912, 7564, 8972, 9517, 15128, 17944, 18727, 19034, 30256, 35888, 37454, 38068, 69533, 74908, 76136, 136823, 139066, 149816, 152272, 273646, 278132, 299632, 547292, 556264, 580537, 688601, 1094584, 1112528, 1161074, 1377202, 2189168, 2322148, 2754404, 4241513, 4644296, 5508808, 8483026, 9288592, 11017616, 16966052, 21346631, 33932104, 42004661, 42693262, 67864208, 84009322, 85386524, 168018644, 170773048, 336037288, 341546096, 672074576, 1302144491, 2604288982, 5208577964, 10417155928, 20834311856]

約数ペア:

[(1, 20834311856), (2, 10417155928), (4, 5208577964), (8, 2604288982), (16, 1302144491), (31, 672074576), (61, 341546096), (62, 336037288), (122, 170773048), (124, 168018644), (244, 85386524), (248, 84009322), (307, 67864208), (488, 42693262), (496, 42004661), (614, 33932104), (976, 21346631), (1228, 16966052), (1891, 11017616), (2243, 9288592), (2456, 8483026), (3782, 5508808), (4486, 4644296), (4912, 4241513), (7564, 2754404), (8972, 2322148), (9517, 2189168), (15128, 1377202), (17944, 1161074), (18727, 1112528), (19034, 1094584), (30256, 688601), (35888, 580537), (37454, 556264), (38068, 547292), (69533, 299632), (74908, 278132), (76136, 273646), (136823, 152272), (139066, 149816)]