20699206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:540

約数の個数: 32

約数和(自身を含む): 35458560

約数和(自身を除く): 14759354

約数列:

[1, 2, 11, 22, 37, 59, 74, 118, 407, 431, 649, 814, 862, 1298, 2183, 4366, 4741, 9482, 15947, 24013, 25429, 31894, 48026, 50858, 175417, 279719, 350834, 559438, 940873, 1881746, 10349603, 20699206]

約数ペア:

[(1, 20699206), (2, 10349603), (11, 1881746), (22, 940873), (37, 559438), (59, 350834), (74, 279719), (118, 175417), (407, 50858), (431, 48026), (649, 31894), (814, 25429), (862, 24013), (1298, 15947), (2183, 9482), (4366, 4741)]