20655743

素因数分解:

${\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:322

約数の個数: 16

約数和(自身を含む): 22161600

約数和(自身を除く): 1505857

約数列:

[1, 29, 53, 89, 151, 1537, 2581, 4379, 4717, 8003, 13439, 136793, 232087, 389731, 712267, 20655743]

約数ペア:

[(1, 20655743), (29, 712267), (53, 389731), (89, 232087), (151, 136793), (1537, 13439), (2581, 8003), (4379, 4717)]