20591060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7741}}^1$

素因数の和:7776

約数の個数: 48

約数和(自身を含む): 52026240

約数和(自身を除く): 31435180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 7741, 15482, 30964, 38705, 54187, 77410, 108374, 147079, 154820, 216748, 270935, 294158, 541870, 588316, 735395, 1029553, 1083740, 1470790, 2059106, 2941580, 4118212, 5147765, 10295530, 20591060]

約数ペア:

[(1, 20591060), (2, 10295530), (4, 5147765), (5, 4118212), (7, 2941580), (10, 2059106), (14, 1470790), (19, 1083740), (20, 1029553), (28, 735395), (35, 588316), (38, 541870), (70, 294158), (76, 270935), (95, 216748), (133, 154820), (140, 147079), (190, 108374), (266, 77410), (380, 54187), (532, 38705), (665, 30964), (1330, 15482), (2660, 7741)]