19840740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330679}}^1$

素因数の和:330691

約数の個数: 24

約数和(自身を含む): 55554240

約数和(自身を除く): 35713500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330679, 661358, 992037, 1322716, 1653395, 1984074, 3306790, 3968148, 4960185, 6613580, 9920370, 19840740]

約数ペア:

[(1, 19840740), (2, 9920370), (3, 6613580), (4, 4960185), (5, 3968148), (6, 3306790), (10, 1984074), (12, 1653395), (15, 1322716), (20, 992037), (30, 661358), (60, 330679)]