20825116

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{719}}^1$

素因数の和:1293

約数の個数: 24

約数和(自身を含む): 39372480

約数和(自身を除く): 18547364

約数列:

[1, 2, 4, 13, 26, 52, 557, 719, 1114, 1438, 2228, 2876, 7241, 9347, 14482, 18694, 28964, 37388, 400483, 800966, 1601932, 5206279, 10412558, 20825116]

約数ペア:

[(1, 20825116), (2, 10412558), (4, 5206279), (13, 1601932), (26, 800966), (52, 400483), (557, 37388), (719, 28964), (1114, 18694), (1438, 14482), (2228, 9347), (2876, 7241)]