20777224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^2$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 43929900

約数和(自身を除く): 23152676

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 83, 104, 116, 166, 232, 332, 377, 664, 754, 1079, 1508, 2158, 2407, 3016, 4316, 4814, 6889, 8632, 9628, 13778, 19256, 27556, 31291, 55112, 62582, 89557, 125164, 179114, 199781, 250328, 358228, 399562, 716456, 799124, 1598248, 2597153, 5194306, 10388612, 20777224]

約数ペア:

[(1, 20777224), (2, 10388612), (4, 5194306), (8, 2597153), (13, 1598248), (26, 799124), (29, 716456), (52, 399562), (58, 358228), (83, 250328), (104, 199781), (116, 179114), (166, 125164), (232, 89557), (332, 62582), (377, 55112), (664, 31291), (754, 27556), (1079, 19256), (1508, 13778), (2158, 9628), (2407, 8632), (3016, 6889), (4316, 4814)]