20996380

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3583}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 44255232

約数和(自身を除く): 23258852

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3583, 5860, 7166, 14332, 17915, 35830, 71660, 1049819, 2099638, 4199276, 5249095, 10498190, 20996380]

約数ペア:

[(1, 20996380), (2, 10498190), (4, 5249095), (5, 4199276), (10, 2099638), (20, 1049819), (293, 71660), (586, 35830), (1172, 17915), (1465, 14332), (2930, 7166), (3583, 5860)]