20896196

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{631}}^1$

素因数の和:1139

約数の個数: 24

約数和(自身を含む): 38860416

約数和(自身を除く): 17964220

約数列:

[1, 2, 4, 17, 34, 68, 487, 631, 974, 1262, 1948, 2524, 8279, 10727, 16558, 21454, 33116, 42908, 307297, 614594, 1229188, 5224049, 10448098, 20896196]

約数ペア:

[(1, 20896196), (2, 10448098), (4, 5224049), (17, 1229188), (34, 614594), (68, 307297), (487, 42908), (631, 33116), (974, 21454), (1262, 16558), (1948, 10727), (2524, 8279)]