20089980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{111611}}^1$

素因数の和:111626

約数の個数: 36

約数和(自身を含む): 60940152

約数和(自身を除く): 40850172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 111611, 223222, 334833, 446444, 558055, 669666, 1004499, 1116110, 1339332, 1674165, 2008998, 2232220, 3348330, 4017996, 5022495, 6696660, 10044990, 20089980]

約数ペア:

[(1, 20089980), (2, 10044990), (3, 6696660), (4, 5022495), (5, 4017996), (6, 3348330), (9, 2232220), (10, 2008998), (12, 1674165), (15, 1339332), (18, 1116110), (20, 1004499), (30, 669666), (36, 558055), (45, 446444), (60, 334833), (90, 223222), (180, 111611)]