20010275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:463

約数の個数: 24

約数和(自身を含む): 26516160

約数和(自身を除く): 6505885

約数列:

[1, 5, 17, 25, 85, 197, 239, 425, 985, 1195, 3349, 4063, 4925, 5975, 16745, 20315, 47083, 83725, 101575, 235415, 800411, 1177075, 4002055, 20010275]

約数ペア:

[(1, 20010275), (5, 4002055), (17, 1177075), (25, 800411), (85, 235415), (197, 101575), (239, 83725), (425, 47083), (985, 20315), (1195, 16745), (3349, 5975), (4063, 4925)]