20696336

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{7477}}^1$

素因数の和:7658

約数の個数: 20

約数和(自身を含む): 40336332

約数和(自身を除く): 19639996

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 7477, 14954, 29908, 59816, 119632, 1293521, 2587042, 5174084, 10348168, 20696336]

約数ペア:

[(1, 20696336), (2, 10348168), (4, 5174084), (8, 2587042), (16, 1293521), (173, 119632), (346, 59816), (692, 29908), (1384, 14954), (2768, 7477)]