20368155

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{173}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 33675264

約数和(自身を除く): 13307109

約数列:

[1, 3, 5, 15, 47, 141, 167, 173, 235, 501, 519, 705, 835, 865, 2505, 2595, 7849, 8131, 23547, 24393, 28891, 39245, 40655, 86673, 117735, 121965, 144455, 433365, 1357877, 4073631, 6789385, 20368155]

約数ペア:

[(1, 20368155), (3, 6789385), (5, 4073631), (15, 1357877), (47, 433365), (141, 144455), (167, 121965), (173, 117735), (235, 86673), (501, 40655), (519, 39245), (705, 28891), (835, 24393), (865, 23547), (2505, 8131), (2595, 7849)]