20197860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{336631}}^1$

素因数の和:336643

約数の個数: 24

約数和(自身を含む): 56554176

約数和(自身を除く): 36356316

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 336631, 673262, 1009893, 1346524, 1683155, 2019786, 3366310, 4039572, 5049465, 6732620, 10098930, 20197860]

約数ペア:

[(1, 20197860), (2, 10098930), (3, 6732620), (4, 5049465), (5, 4039572), (6, 3366310), (10, 2019786), (12, 1683155), (15, 1346524), (20, 1009893), (30, 673262), (60, 336631)]