20177042780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53097481}}^1$

素因数の和:53097509

約数の個数: 24

約数和(自身を含む): 44601884880

約数和(自身を除く): 24424842100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 53097481, 106194962, 212389924, 265487405, 530974810, 1008852139, 1061949620, 2017704278, 4035408556, 5044260695, 10088521390, 20177042780]

約数ペア:

[(1, 20177042780), (2, 10088521390), (4, 5044260695), (5, 4035408556), (10, 2017704278), (19, 1061949620), (20, 1008852139), (38, 530974810), (76, 265487405), (95, 212389924), (190, 106194962), (380, 53097481)]