20418585

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1847}}^1$

素因数の和:1933

約数の個数: 32

約数和(自身を含む): 36191232

約数和(自身を除く): 15772647

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 165, 201, 335, 737, 1005, 1847, 2211, 3685, 5541, 9235, 11055, 20317, 27705, 60951, 101585, 123749, 304755, 371247, 618745, 1361239, 1856235, 4083717, 6806195, 20418585]

約数ペア:

[(1, 20418585), (3, 6806195), (5, 4083717), (11, 1856235), (15, 1361239), (33, 618745), (55, 371247), (67, 304755), (165, 123749), (201, 101585), (335, 60951), (737, 27705), (1005, 20317), (1847, 11055), (2211, 9235), (3685, 5541)]