20982460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55217}}^1$

素因数の和:55245

約数の個数: 24

約数和(自身を含む): 46383120

約数和(自身を除く): 25400660

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 55217, 110434, 220868, 276085, 552170, 1049123, 1104340, 2098246, 4196492, 5245615, 10491230, 20982460]

約数ペア:

[(1, 20982460), (2, 10491230), (4, 5245615), (5, 4196492), (10, 2098246), (19, 1104340), (20, 1049123), (38, 552170), (76, 276085), (95, 220868), (190, 110434), (380, 55217)]