20421276

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{89567}}^1$

素因数の和:89593

約数の個数: 24

約数和(自身を含む): 50158080

約数和(自身を除く): 29736804

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 89567, 179134, 268701, 358268, 537402, 1074804, 1701773, 3403546, 5105319, 6807092, 10210638, 20421276]

約数ペア:

[(1, 20421276), (2, 10210638), (3, 6807092), (4, 5105319), (6, 3403546), (12, 1701773), (19, 1074804), (38, 537402), (57, 358268), (76, 268701), (114, 179134), (228, 89567)]