20720322

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{164447}}^1$

素因数の和:164462

約数の個数: 24

約数和(自身を含む): 51307776

約数和(自身を除く): 30587454

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 164447, 328894, 493341, 986682, 1151129, 1480023, 2302258, 2960046, 3453387, 6906774, 10360161, 20720322]

約数ペア:

[(1, 20720322), (2, 10360161), (3, 6906774), (6, 3453387), (7, 2960046), (9, 2302258), (14, 1480023), (18, 1151129), (21, 986682), (42, 493341), (63, 328894), (126, 164447)]