20172620144

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{347}}^1\times {\mathrm{61583}}^1$

素因数の和:61997

約数の個数: 40

約数和(自身を含む): 39862091520

約数和(自身を除く): 19689471376

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 347, 472, 694, 944, 1388, 2776, 5552, 20473, 40946, 61583, 81892, 123166, 163784, 246332, 327568, 492664, 985328, 3633397, 7266794, 14533588, 21369301, 29067176, 42738602, 58134352, 85477204, 170954408, 341908816, 1260788759, 2521577518, 5043155036, 10086310072, 20172620144]

約数ペア:

[(1, 20172620144), (2, 10086310072), (4, 5043155036), (8, 2521577518), (16, 1260788759), (59, 341908816), (118, 170954408), (236, 85477204), (347, 58134352), (472, 42738602), (694, 29067176), (944, 21369301), (1388, 14533588), (2776, 7266794), (5552, 3633397), (20473, 985328), (40946, 492664), (61583, 327568), (81892, 246332), (123166, 163784)]