20281128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{120721}}^1$

素因数の和:120737

約数の個数: 32

約数和(自身を含む): 57946560

約数和(自身を除く): 37665432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 120721, 241442, 362163, 482884, 724326, 845047, 965768, 1448652, 1690094, 2535141, 2897304, 3380188, 5070282, 6760376, 10140564, 20281128]

約数ペア:

[(1, 20281128), (2, 10140564), (3, 6760376), (4, 5070282), (6, 3380188), (7, 2897304), (8, 2535141), (12, 1690094), (14, 1448652), (21, 965768), (24, 845047), (28, 724326), (42, 482884), (56, 362163), (84, 241442), (168, 120721)]