30620020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4241}}^1$

素因数の和:4288

約数の個数: 36

約数和(自身を含む): 67880484

約数和(自身を除く): 37260464

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 4241, 7220, 8482, 16964, 21205, 42410, 80579, 84820, 161158, 322316, 402895, 805790, 1531001, 1611580, 3062002, 6124004, 7655005, 15310010, 30620020]

約数ペア:

[(1, 30620020), (2, 15310010), (4, 7655005), (5, 6124004), (10, 3062002), (19, 1611580), (20, 1531001), (38, 805790), (76, 402895), (95, 322316), (190, 161158), (361, 84820), (380, 80579), (722, 42410), (1444, 21205), (1805, 16964), (3610, 8482), (4241, 7220)]