20319540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{338659}}^1$

素因数の和:338671

約数の個数: 24

約数和(自身を含む): 56894880

約数和(自身を除く): 36575340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 338659, 677318, 1015977, 1354636, 1693295, 2031954, 3386590, 4063908, 5079885, 6773180, 10159770, 20319540]

約数ペア:

[(1, 20319540), (2, 10159770), (3, 6773180), (4, 5079885), (5, 4063908), (6, 3386590), (10, 2031954), (12, 1693295), (15, 1354636), (20, 1015977), (30, 677318), (60, 338659)]