20028970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3583}}^1$

素因数の和:3646

約数の個数: 32

約数和(自身を含む): 39739392

約数和(自身を除く): 19710422

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3583, 5590, 7166, 17915, 35830, 46579, 93158, 154069, 232895, 308138, 465790, 770345, 1540690, 2002897, 4005794, 10014485, 20028970]

約数ペア:

[(1, 20028970), (2, 10014485), (5, 4005794), (10, 2002897), (13, 1540690), (26, 770345), (43, 465790), (65, 308138), (86, 232895), (130, 154069), (215, 93158), (430, 46579), (559, 35830), (1118, 17915), (2795, 7166), (3583, 5590)]