20276725

素因数分解:

$5^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1063}}^1$

素因数の和:1189

約数の個数: 24

約数和(自身を含む): 29025920

約数和(自身を除く): 8749195

約数列:

[1, 5, 7, 25, 35, 109, 175, 545, 763, 1063, 2725, 3815, 5315, 7441, 19075, 26575, 37205, 115867, 186025, 579335, 811069, 2896675, 4055345, 20276725]

約数ペア:

[(1, 20276725), (5, 4055345), (7, 2896675), (25, 811069), (35, 579335), (109, 186025), (175, 115867), (545, 37205), (763, 26575), (1063, 19075), (2725, 7441), (3815, 5315)]