20662096

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{617}}^1$

素因数の和:668

約数の個数: 80

約数和(自身を含む): 51496704

約数和(自身を除く): 30834608

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 617, 644, 728, 1196, 1234, 1288, 1456, 2093, 2392, 2468, 2576, 4186, 4319, 4784, 4936, 8021, 8372, 8638, 9872, 14191, 16042, 16744, 17276, 28382, 32084, 33488, 34552, 56147, 56764, 64168, 69104, 99337, 112294, 113528, 128336, 184483, 198674, 224588, 227056, 368966, 397348, 449176, 737932, 794696, 898352, 1291381, 1475864, 1589392, 2582762, 2951728, 5165524, 10331048, 20662096]

約数ペア:

[(1, 20662096), (2, 10331048), (4, 5165524), (7, 2951728), (8, 2582762), (13, 1589392), (14, 1475864), (16, 1291381), (23, 898352), (26, 794696), (28, 737932), (46, 449176), (52, 397348), (56, 368966), (91, 227056), (92, 224588), (104, 198674), (112, 184483), (161, 128336), (182, 113528), (184, 112294), (208, 99337), (299, 69104), (322, 64168), (364, 56764), (368, 56147), (598, 34552), (617, 33488), (644, 32084), (728, 28382), (1196, 17276), (1234, 16744), (1288, 16042), (1456, 14191), (2093, 9872), (2392, 8638), (2468, 8372), (2576, 8021), (4186, 4936), (4319, 4784)]