20185205103

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{683}}^1\times {\mathrm{1109}}^1$

素因数の和:1858

約数の個数: 80

約数和(自身を含む): 35277327360

約数和(自身を除く): 15092122257

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 683, 987, 1109, 1269, 2049, 2961, 3327, 3807, 4781, 6147, 7763, 8883, 9981, 14343, 18441, 23289, 26649, 29943, 32101, 43029, 52123, 55323, 69867, 89829, 96303, 129087, 156369, 209601, 224707, 288909, 364861, 387261, 469107, 628803, 674121, 757447, 866727, 1094583, 1407321, 2022363, 2272341, 2600181, 3283749, 4221963, 5302129, 6067089, 6817023, 9851247, 15906387, 18201267, 20451069, 29553741, 35600009, 47719161, 61353207, 106800027, 143157483, 249200063, 320400081, 429472449, 747600189, 961200243, 2242800567, 2883600729, 6728401701, 20185205103]

約数ペア:

[(1, 20185205103), (3, 6728401701), (7, 2883600729), (9, 2242800567), (21, 961200243), (27, 747600189), (47, 429472449), (63, 320400081), (81, 249200063), (141, 143157483), (189, 106800027), (329, 61353207), (423, 47719161), (567, 35600009), (683, 29553741), (987, 20451069), (1109, 18201267), (1269, 15906387), (2049, 9851247), (2961, 6817023), (3327, 6067089), (3807, 5302129), (4781, 4221963), (6147, 3283749), (7763, 2600181), (8883, 2272341), (9981, 2022363), (14343, 1407321), (18441, 1094583), (23289, 866727), (26649, 757447), (29943, 674121), (32101, 628803), (43029, 469107), (52123, 387261), (55323, 364861), (69867, 288909), (89829, 224707), (96303, 209601), (129087, 156369)]