20167725

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{2467}}^1$

素因数の和:2589

約数の個数: 24

約数和(自身を含む): 33663520

約数和(自身を除く): 13495795

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2467, 2725, 7401, 8175, 12335, 37005, 61675, 185025, 268903, 806709, 1344515, 4033545, 6722575, 20167725]

約数ペア:

[(1, 20167725), (3, 6722575), (5, 4033545), (15, 1344515), (25, 806709), (75, 268903), (109, 185025), (327, 61675), (545, 37005), (1635, 12335), (2467, 8175), (2725, 7401)]