20212496

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40751}}^1$

素因数の和:40790

約数の個数: 20

約数和(自身を含む): 40425984

約数和(自身を除く): 20213488

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40751, 81502, 163004, 326008, 652016, 1263281, 2526562, 5053124, 10106248, 20212496]

約数ペア:

[(1, 20212496), (2, 10106248), (4, 5053124), (8, 2526562), (16, 1263281), (31, 652016), (62, 326008), (124, 163004), (248, 81502), (496, 40751)]