20665716

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 50523648

約数和(自身を除く): 29857932

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 73, 93, 124, 146, 186, 219, 292, 372, 438, 761, 876, 1522, 2263, 2283, 3044, 4526, 4566, 6789, 9052, 9132, 13578, 23591, 27156, 47182, 55553, 70773, 94364, 111106, 141546, 166659, 222212, 283092, 333318, 666636, 1722143, 3444286, 5166429, 6888572, 10332858, 20665716]

約数ペア:

[(1, 20665716), (2, 10332858), (3, 6888572), (4, 5166429), (6, 3444286), (12, 1722143), (31, 666636), (62, 333318), (73, 283092), (93, 222212), (124, 166659), (146, 141546), (186, 111106), (219, 94364), (292, 70773), (372, 55553), (438, 47182), (761, 27156), (876, 23591), (1522, 13578), (2263, 9132), (2283, 9052), (3044, 6789), (4526, 4566)]