20569406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:161

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18621634

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 53, 59, 106, 118, 143, 253, 286, 299, 506, 583, 598, 649, 689, 767, 1166, 1219, 1298, 1357, 1378, 1534, 2438, 2714, 3127, 3289, 6254, 6578, 7579, 8437, 13409, 14927, 15158, 15847, 16874, 17641, 26818, 29854, 31694, 34397, 35282, 40651, 68794, 71921, 81302, 143842, 174317, 194051, 348634, 388102, 447161, 791131, 894322, 934973, 1582262, 1869946, 10284703, 20569406]

約数ペア:

[(1, 20569406), (2, 10284703), (11, 1869946), (13, 1582262), (22, 934973), (23, 894322), (26, 791131), (46, 447161), (53, 388102), (59, 348634), (106, 194051), (118, 174317), (143, 143842), (253, 81302), (286, 71921), (299, 68794), (506, 40651), (583, 35282), (598, 34397), (649, 31694), (689, 29854), (767, 26818), (1166, 17641), (1219, 16874), (1298, 15847), (1357, 15158), (1378, 14927), (1534, 13409), (2438, 8437), (2714, 7579), (3127, 6578), (3289, 6254)]