20161090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3659}}^1$

素因数の和:3714

約数の個数: 32

約数和(自身を含む): 39528000

約数和(自身を除く): 19366910

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 95, 145, 190, 290, 551, 1102, 2755, 3659, 5510, 7318, 18295, 36590, 69521, 106111, 139042, 212222, 347605, 530555, 695210, 1061110, 2016109, 4032218, 10080545, 20161090]

約数ペア:

[(1, 20161090), (2, 10080545), (5, 4032218), (10, 2016109), (19, 1061110), (29, 695210), (38, 530555), (58, 347605), (95, 212222), (145, 139042), (190, 106111), (290, 69521), (551, 36590), (1102, 18295), (2755, 7318), (3659, 5510)]