20213097751

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1630483}}^1$

素因数の和:1630531

約数の個数: 24

約数和(自身を含む): 26766025344

約数和(自身を除く): 6552927593

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1771, 12397, 1630483, 11413381, 17935313, 37501109, 79893667, 125547191, 262507763, 412512199, 878830337, 1837554341, 2887585393, 20213097751]

約数ペア:

[(1, 20213097751), (7, 2887585393), (11, 1837554341), (23, 878830337), (49, 412512199), (77, 262507763), (161, 125547191), (253, 79893667), (539, 37501109), (1127, 17935313), (1771, 11413381), (12397, 1630483)]