20147560472

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1\times {\mathrm{4657}}^1$

素因数の和:7140

約数の個数: 64

約数和(自身を含む): 43102523520

約数和(自身を除く): 22954963048

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 2447, 4657, 4894, 9314, 9788, 18628, 19576, 31811, 37256, 41599, 60541, 63622, 79169, 83198, 121082, 127244, 158338, 166396, 242164, 254488, 316676, 332792, 484328, 540787, 633352, 1029197, 1081574, 2058394, 2163148, 4116788, 4326296, 8233576, 11395679, 22791358, 45582716, 91165432, 148143827, 193726543, 296287654, 387453086, 592575308, 774906172, 1185150616, 1549812344, 2518445059, 5036890118, 10073780236, 20147560472]

約数ペア:

[(1, 20147560472), (2, 10073780236), (4, 5036890118), (8, 2518445059), (13, 1549812344), (17, 1185150616), (26, 774906172), (34, 592575308), (52, 387453086), (68, 296287654), (104, 193726543), (136, 148143827), (221, 91165432), (442, 45582716), (884, 22791358), (1768, 11395679), (2447, 8233576), (4657, 4326296), (4894, 4116788), (9314, 2163148), (9788, 2058394), (18628, 1081574), (19576, 1029197), (31811, 633352), (37256, 540787), (41599, 484328), (60541, 332792), (63622, 316676), (79169, 254488), (83198, 242164), (121082, 166396), (127244, 158338)]