20867392

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3583}}^1$

素因数の和:3615

約数の個数: 56

約数和(自身を含む): 50978816

約数和(自身を除く): 30111424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3583, 5824, 7166, 14332, 25081, 28664, 46579, 50162, 57328, 93158, 100324, 114656, 186316, 200648, 229312, 326053, 372632, 401296, 652106, 745264, 802592, 1304212, 1490528, 1605184, 2608424, 2981056, 5216848, 10433696, 20867392]

約数ペア:

[(1, 20867392), (2, 10433696), (4, 5216848), (7, 2981056), (8, 2608424), (13, 1605184), (14, 1490528), (16, 1304212), (26, 802592), (28, 745264), (32, 652106), (52, 401296), (56, 372632), (64, 326053), (91, 229312), (104, 200648), (112, 186316), (182, 114656), (208, 100324), (224, 93158), (364, 57328), (416, 50162), (448, 46579), (728, 28664), (832, 25081), (1456, 14332), (2912, 7166), (3583, 5824)]