20745366

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{733}}^1$

素因数の和:880

約数の個数: 32

約数和(自身を含む): 42806880

約数和(自身を除く): 22061514

約数列:

[1, 2, 3, 6, 53, 89, 106, 159, 178, 267, 318, 534, 733, 1466, 2199, 4398, 4717, 9434, 14151, 28302, 38849, 65237, 77698, 116547, 130474, 195711, 233094, 391422, 3457561, 6915122, 10372683, 20745366]

約数ペア:

[(1, 20745366), (2, 10372683), (3, 6915122), (6, 3457561), (53, 391422), (89, 233094), (106, 195711), (159, 130474), (178, 116547), (267, 77698), (318, 65237), (534, 38849), (733, 28302), (1466, 14151), (2199, 9434), (4398, 4717)]