19973220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{332887}}^1$

素因数の和:332899

約数の個数: 24

約数和(自身を含む): 55925184

約数和(自身を除く): 35951964

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 332887, 665774, 998661, 1331548, 1664435, 1997322, 3328870, 3994644, 4993305, 6657740, 9986610, 19973220]

約数ペア:

[(1, 19973220), (2, 9986610), (3, 6657740), (4, 4993305), (5, 3994644), (6, 3328870), (10, 1997322), (12, 1664435), (15, 1331548), (20, 998661), (30, 665774), (60, 332887)]