20793708

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:463

約数の個数: 72

約数和(自身を含む): 57166928

約数和(自身を除く): 36373220

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 283, 314, 468, 471, 566, 628, 849, 942, 1132, 1413, 1698, 1884, 2041, 2547, 2826, 3396, 3679, 4082, 5094, 5652, 6123, 7358, 8164, 10188, 11037, 12246, 14716, 18369, 22074, 24492, 33111, 36738, 44148, 44431, 66222, 73476, 88862, 132444, 133293, 177724, 266586, 399879, 533172, 577603, 799758, 1155206, 1599516, 1732809, 2310412, 3465618, 5198427, 6931236, 10396854, 20793708]

約数ペア:

[(1, 20793708), (2, 10396854), (3, 6931236), (4, 5198427), (6, 3465618), (9, 2310412), (12, 1732809), (13, 1599516), (18, 1155206), (26, 799758), (36, 577603), (39, 533172), (52, 399879), (78, 266586), (117, 177724), (156, 133293), (157, 132444), (234, 88862), (283, 73476), (314, 66222), (468, 44431), (471, 44148), (566, 36738), (628, 33111), (849, 24492), (942, 22074), (1132, 18369), (1413, 14716), (1698, 12246), (1884, 11037), (2041, 10188), (2547, 8164), (2826, 7358), (3396, 6123), (3679, 5652), (4082, 5094)]