20131254448

素因数分解:

$2^4\times {\mathrm{20129}}^1\times {\mathrm{62507}}^1$

素因数の和:82644

約数の個数: 20

約数和(自身を含む): 39006867240

約数和(自身を除く): 18875612792

約数列:

[1, 2, 4, 8, 16, 20129, 40258, 62507, 80516, 125014, 161032, 250028, 322064, 500056, 1000112, 1258203403, 2516406806, 5032813612, 10065627224, 20131254448]

約数ペア:

[(1, 20131254448), (2, 10065627224), (4, 5032813612), (8, 2516406806), (16, 1258203403), (20129, 1000112), (40258, 500056), (62507, 322064), (80516, 250028), (125014, 161032)]