20651364784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{22697}}^1$

素因数の和:22838

約数の個数: 80

約数和(自身を含む): 43738138080

約数和(自身を除く): 23086773296

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 73, 76, 82, 146, 152, 164, 292, 304, 328, 584, 656, 779, 1168, 1387, 1558, 2774, 2993, 3116, 5548, 5986, 6232, 11096, 11972, 12464, 22192, 22697, 23944, 45394, 47888, 56867, 90788, 113734, 181576, 227468, 363152, 431243, 454936, 862486, 909872, 930577, 1656881, 1724972, 1861154, 3313762, 3449944, 3722308, 6627524, 6899888, 7444616, 13255048, 14889232, 17680963, 26510096, 31480739, 35361926, 62961478, 67932121, 70723852, 125922956, 135864242, 141447704, 251845912, 271728484, 282895408, 503691824, 543456968, 1086913936, 1290710299, 2581420598, 5162841196, 10325682392, 20651364784]

約数ペア:

[(1, 20651364784), (2, 10325682392), (4, 5162841196), (8, 2581420598), (16, 1290710299), (19, 1086913936), (38, 543456968), (41, 503691824), (73, 282895408), (76, 271728484), (82, 251845912), (146, 141447704), (152, 135864242), (164, 125922956), (292, 70723852), (304, 67932121), (328, 62961478), (584, 35361926), (656, 31480739), (779, 26510096), (1168, 17680963), (1387, 14889232), (1558, 13255048), (2774, 7444616), (2993, 6899888), (3116, 6627524), (5548, 3722308), (5986, 3449944), (6232, 3313762), (11096, 1861154), (11972, 1724972), (12464, 1656881), (22192, 930577), (22697, 909872), (23944, 862486), (45394, 454936), (47888, 431243), (56867, 363152), (90788, 227468), (113734, 181576)]