20300975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 24

約数和(自身を含む): 27395568

約数和(自身を除く): 7094593

約数列:

[1, 5, 17, 25, 37, 85, 185, 425, 629, 925, 1291, 3145, 6455, 15725, 21947, 32275, 47767, 109735, 238835, 548675, 812039, 1194175, 4060195, 20300975]

約数ペア:

[(1, 20300975), (5, 4060195), (17, 1194175), (25, 812039), (37, 548675), (85, 238835), (185, 109735), (425, 47767), (629, 32275), (925, 21947), (1291, 15725), (3145, 6455)]