20713602

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{643}}^1$

素因数の和:727

約数の個数: 64

約数和(自身を含む): 51932160

約数和(自身を除く): 31218558

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 59, 78, 91, 118, 177, 182, 273, 354, 413, 546, 643, 767, 826, 1239, 1286, 1534, 1929, 2301, 2478, 3858, 4501, 4602, 5369, 8359, 9002, 10738, 13503, 16107, 16718, 25077, 27006, 32214, 37937, 50154, 58513, 75874, 113811, 117026, 175539, 227622, 265559, 351078, 493181, 531118, 796677, 986362, 1479543, 1593354, 2959086, 3452267, 6904534, 10356801, 20713602]

約数ペア:

[(1, 20713602), (2, 10356801), (3, 6904534), (6, 3452267), (7, 2959086), (13, 1593354), (14, 1479543), (21, 986362), (26, 796677), (39, 531118), (42, 493181), (59, 351078), (78, 265559), (91, 227622), (118, 175539), (177, 117026), (182, 113811), (273, 75874), (354, 58513), (413, 50154), (546, 37937), (643, 32214), (767, 27006), (826, 25077), (1239, 16718), (1286, 16107), (1534, 13503), (1929, 10738), (2301, 9002), (2478, 8359), (3858, 5369), (4501, 4602)]