20196979647

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1\times {\mathrm{4933}}^1$

素因数の和:6731

約数の個数: 32

約数和(自身を含む): 29499320256

約数和(自身を除く): 9302340609

約数列:

[1, 3, 13, 39, 61, 183, 793, 1721, 2379, 4933, 5163, 14799, 22373, 64129, 67119, 104981, 192387, 300913, 314943, 902739, 1364753, 3911869, 4094259, 8489693, 11735607, 25469079, 110366009, 331098027, 517871273, 1553613819, 6732326549, 20196979647]

約数ペア:

[(1, 20196979647), (3, 6732326549), (13, 1553613819), (39, 517871273), (61, 331098027), (183, 110366009), (793, 25469079), (1721, 11735607), (2379, 8489693), (4933, 4094259), (5163, 3911869), (14799, 1364753), (22373, 902739), (64129, 314943), (67119, 300913), (104981, 192387)]