17840020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{977}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 41404608

約数和(自身を除く): 23564588

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 83, 110, 166, 220, 332, 415, 830, 913, 977, 1660, 1826, 1954, 3652, 3908, 4565, 4885, 9130, 9770, 10747, 18260, 19540, 21494, 42988, 53735, 81091, 107470, 162182, 214940, 324364, 405455, 810910, 892001, 1621820, 1784002, 3568004, 4460005, 8920010, 17840020]

約数ペア:

[(1, 17840020), (2, 8920010), (4, 4460005), (5, 3568004), (10, 1784002), (11, 1621820), (20, 892001), (22, 810910), (44, 405455), (55, 324364), (83, 214940), (110, 162182), (166, 107470), (220, 81091), (332, 53735), (415, 42988), (830, 21494), (913, 19540), (977, 18260), (1660, 10747), (1826, 9770), (1954, 9130), (3652, 4885), (3908, 4565)]