20161896818

素因数分解:

$2^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{593}}^1\times {\mathrm{1489}}^1$

素因数の和:2331

約数の個数: 48

約数和(自身を含む): 35414790840

約数和(自身を除く): 15252894022

約数列:

[1, 2, 7, 14, 49, 98, 233, 466, 593, 1186, 1489, 1631, 2978, 3262, 4151, 8302, 10423, 11417, 20846, 22834, 29057, 58114, 72961, 138169, 145922, 276338, 346937, 693874, 882977, 967183, 1765954, 1934366, 2428559, 4857118, 6180839, 6770281, 12361678, 13540562, 16999913, 33999826, 43265873, 86531746, 205733641, 411467282, 1440135487, 2880270974, 10080948409, 20161896818]

約数ペア:

[(1, 20161896818), (2, 10080948409), (7, 2880270974), (14, 1440135487), (49, 411467282), (98, 205733641), (233, 86531746), (466, 43265873), (593, 33999826), (1186, 16999913), (1489, 13540562), (1631, 12361678), (2978, 6770281), (3262, 6180839), (4151, 4857118), (8302, 2428559), (10423, 1934366), (11417, 1765954), (20846, 967183), (22834, 882977), (29057, 693874), (58114, 346937), (72961, 276338), (138169, 145922)]