20581696

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{18917}}^1$

素因数の和:18946

約数の個数: 28

約数和(自身を含む): 43246548

約数和(自身を除く): 22664852

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 544, 1088, 18917, 37834, 75668, 151336, 302672, 321589, 605344, 643178, 1210688, 1286356, 2572712, 5145424, 10290848, 20581696]

約数ペア:

[(1, 20581696), (2, 10290848), (4, 5145424), (8, 2572712), (16, 1286356), (17, 1210688), (32, 643178), (34, 605344), (64, 321589), (68, 302672), (136, 151336), (272, 75668), (544, 37834), (1088, 18917)]