20186982

素因数分解:

$2^1\times 3^5\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:659

約数の個数: 48

約数和(自身を含む): 46060560

約数和(自身を除く): 25873578

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 81, 146, 162, 219, 243, 438, 486, 569, 657, 1138, 1314, 1707, 1971, 3414, 3942, 5121, 5913, 10242, 11826, 15363, 17739, 30726, 35478, 41537, 46089, 83074, 92178, 124611, 138267, 249222, 276534, 373833, 747666, 1121499, 2242998, 3364497, 6728994, 10093491, 20186982]

約数ペア:

[(1, 20186982), (2, 10093491), (3, 6728994), (6, 3364497), (9, 2242998), (18, 1121499), (27, 747666), (54, 373833), (73, 276534), (81, 249222), (146, 138267), (162, 124611), (219, 92178), (243, 83074), (438, 46089), (486, 41537), (569, 35478), (657, 30726), (1138, 17739), (1314, 15363), (1707, 11826), (1971, 10242), (3414, 5913), (3942, 5121)]