20199731056

素因数分解:

$2^4\times {\mathrm{18329}}^1\times {\mathrm{68879}}^1$

素因数の和:87216

約数の個数: 20

約数和(自身を含む): 39139682400

約数和(自身を除く): 18939951344

約数列:

[1, 2, 4, 8, 16, 18329, 36658, 68879, 73316, 137758, 146632, 275516, 293264, 551032, 1102064, 1262483191, 2524966382, 5049932764, 10099865528, 20199731056]

約数ペア:

[(1, 20199731056), (2, 10099865528), (4, 5049932764), (8, 2524966382), (16, 1262483191), (18329, 1102064), (36658, 551032), (68879, 293264), (73316, 275516), (137758, 146632)]