20717186

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1427}}^1$

素因数の和:1514

約数の個数: 32

約数和(自身を含む): 38247552

約数和(自身を除く): 17530366

約数列:

[1, 2, 7, 14, 17, 34, 61, 119, 122, 238, 427, 854, 1037, 1427, 2074, 2854, 7259, 9989, 14518, 19978, 24259, 48518, 87047, 169813, 174094, 339626, 609329, 1218658, 1479799, 2959598, 10358593, 20717186]

約数ペア:

[(1, 20717186), (2, 10358593), (7, 2959598), (14, 1479799), (17, 1218658), (34, 609329), (61, 339626), (119, 174094), (122, 169813), (238, 87047), (427, 48518), (854, 24259), (1037, 19978), (1427, 14518), (2074, 9989), (2854, 7259)]