20577029963

素因数分解:

$7^3\times {\mathrm{19}}^2\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1409

約数の個数: 48

約数和(自身を含む): 25531876800

約数和(自身を除く): 4954846837

約数列:

[1, 7, 19, 49, 133, 137, 343, 361, 931, 959, 1213, 2527, 2603, 6517, 6713, 8491, 17689, 18221, 23047, 46991, 49457, 59437, 123823, 127547, 161329, 166181, 346199, 416059, 437893, 892829, 1129303, 1163267, 2423393, 3065251, 3157439, 7905121, 8142869, 16963751, 21456757, 22102073, 57000083, 59991341, 150197299, 154714511, 419939387, 1083001577, 2939575709, 20577029963]

約数ペア:

[(1, 20577029963), (7, 2939575709), (19, 1083001577), (49, 419939387), (133, 154714511), (137, 150197299), (343, 59991341), (361, 57000083), (931, 22102073), (959, 21456757), (1213, 16963751), (2527, 8142869), (2603, 7905121), (6517, 3157439), (6713, 3065251), (8491, 2423393), (17689, 1163267), (18221, 1129303), (23047, 892829), (46991, 437893), (49457, 416059), (59437, 346199), (123823, 166181), (127547, 161329)]