20404818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2347}}^1$

素因数の和:2388

約数の個数: 64

約数和(自身を含む): 54097920

約数和(自身を除く): 33693102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 27, 42, 46, 54, 63, 69, 126, 138, 161, 189, 207, 322, 378, 414, 483, 621, 966, 1242, 1449, 2347, 2898, 4347, 4694, 7041, 8694, 14082, 16429, 21123, 32858, 42246, 49287, 53981, 63369, 98574, 107962, 126738, 147861, 161943, 295722, 323886, 377867, 443583, 485829, 755734, 887166, 971658, 1133601, 1457487, 2267202, 2914974, 3400803, 6801606, 10202409, 20404818]

約数ペア:

[(1, 20404818), (2, 10202409), (3, 6801606), (6, 3400803), (7, 2914974), (9, 2267202), (14, 1457487), (18, 1133601), (21, 971658), (23, 887166), (27, 755734), (42, 485829), (46, 443583), (54, 377867), (63, 323886), (69, 295722), (126, 161943), (138, 147861), (161, 126738), (189, 107962), (207, 98574), (322, 63369), (378, 53981), (414, 49287), (483, 42246), (621, 32858), (966, 21123), (1242, 16429), (1449, 14082), (2347, 8694), (2898, 7041), (4347, 4694)]