20730654

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1$

素因数の和:303

約数の個数: 80

約数和(自身を含む): 53909856

約数和(自身を除く): 33179202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 101, 126, 162, 181, 189, 202, 303, 362, 378, 543, 567, 606, 707, 909, 1086, 1134, 1267, 1414, 1629, 1818, 2121, 2534, 2727, 3258, 3801, 4242, 4887, 5454, 6363, 7602, 8181, 9774, 11403, 12726, 14661, 16362, 18281, 19089, 22806, 29322, 34209, 36562, 38178, 54843, 57267, 68418, 102627, 109686, 114534, 127967, 164529, 205254, 255934, 329058, 383901, 493587, 767802, 987174, 1151703, 1480761, 2303406, 2961522, 3455109, 6910218, 10365327, 20730654]

約数ペア:

[(1, 20730654), (2, 10365327), (3, 6910218), (6, 3455109), (7, 2961522), (9, 2303406), (14, 1480761), (18, 1151703), (21, 987174), (27, 767802), (42, 493587), (54, 383901), (63, 329058), (81, 255934), (101, 205254), (126, 164529), (162, 127967), (181, 114534), (189, 109686), (202, 102627), (303, 68418), (362, 57267), (378, 54843), (543, 38178), (567, 36562), (606, 34209), (707, 29322), (909, 22806), (1086, 19089), (1134, 18281), (1267, 16362), (1414, 14661), (1629, 12726), (1818, 11403), (2121, 9774), (2534, 8181), (2727, 7602), (3258, 6363), (3801, 5454), (4242, 4887)]