20690760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172423}}^1$

素因数の和:172437

約数の個数: 32

約数和(自身を含む): 62072640

約数和(自身を除く): 41381880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172423, 344846, 517269, 689692, 862115, 1034538, 1379384, 1724230, 2069076, 2586345, 3448460, 4138152, 5172690, 6896920, 10345380, 20690760]

約数ペア:

[(1, 20690760), (2, 10345380), (3, 6896920), (4, 5172690), (5, 4138152), (6, 3448460), (8, 2586345), (10, 2069076), (12, 1724230), (15, 1379384), (20, 1034538), (24, 862115), (30, 689692), (40, 517269), (60, 344846), (120, 172423)]