20939460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{348991}}^1$

素因数の和:349003

約数の個数: 24

約数和(自身を含む): 58630656

約数和(自身を除く): 37691196

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 348991, 697982, 1046973, 1395964, 1744955, 2093946, 3489910, 4187892, 5234865, 6979820, 10469730, 20939460]

約数ペア:

[(1, 20939460), (2, 10469730), (3, 6979820), (4, 5234865), (5, 4187892), (6, 3489910), (10, 2093946), (12, 1744955), (15, 1395964), (20, 1046973), (30, 697982), (60, 348991)]