20789210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3719}}^1$

素因数の和:3782

約数の個数: 32

約数和(自身を含む): 41247360

約数和(自身を除く): 20458150

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 3719, 5590, 7438, 18595, 37190, 48347, 96694, 159917, 241735, 319834, 483470, 799585, 1599170, 2078921, 4157842, 10394605, 20789210]

約数ペア:

[(1, 20789210), (2, 10394605), (5, 4157842), (10, 2078921), (13, 1599170), (26, 799585), (43, 483470), (65, 319834), (86, 241735), (130, 159917), (215, 96694), (430, 48347), (559, 37190), (1118, 18595), (2795, 7438), (3719, 5590)]