20960334

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 46904832

約数和(自身を除く): 25944498

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 127, 159, 173, 254, 318, 346, 381, 477, 519, 762, 954, 1038, 1143, 1557, 2286, 3114, 6731, 9169, 13462, 18338, 20193, 21971, 27507, 40386, 43942, 55014, 60579, 65913, 82521, 121158, 131826, 165042, 197739, 395478, 1164463, 2328926, 3493389, 6986778, 10480167, 20960334]

約数ペア:

[(1, 20960334), (2, 10480167), (3, 6986778), (6, 3493389), (9, 2328926), (18, 1164463), (53, 395478), (106, 197739), (127, 165042), (159, 131826), (173, 121158), (254, 82521), (318, 65913), (346, 60579), (381, 55014), (477, 43942), (519, 40386), (762, 27507), (954, 21971), (1038, 20193), (1143, 18338), (1557, 13462), (2286, 9169), (3114, 6731)]