20410866

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:501

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 33255054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 81, 82, 123, 126, 162, 189, 246, 287, 369, 378, 439, 567, 574, 738, 861, 878, 1107, 1134, 1317, 1722, 2214, 2583, 2634, 3073, 3321, 3951, 5166, 6146, 6642, 7749, 7902, 9219, 11853, 15498, 17999, 18438, 23247, 23706, 27657, 35559, 35998, 46494, 53997, 55314, 71118, 82971, 107994, 125993, 161991, 165942, 248913, 251986, 323982, 377979, 485973, 497826, 755958, 971946, 1133937, 1457919, 2267874, 2915838, 3401811, 6803622, 10205433, 20410866]

約数ペア:

[(1, 20410866), (2, 10205433), (3, 6803622), (6, 3401811), (7, 2915838), (9, 2267874), (14, 1457919), (18, 1133937), (21, 971946), (27, 755958), (41, 497826), (42, 485973), (54, 377979), (63, 323982), (81, 251986), (82, 248913), (123, 165942), (126, 161991), (162, 125993), (189, 107994), (246, 82971), (287, 71118), (369, 55314), (378, 53997), (439, 46494), (567, 35998), (574, 35559), (738, 27657), (861, 23706), (878, 23247), (1107, 18438), (1134, 17999), (1317, 15498), (1722, 11853), (2214, 9219), (2583, 7902), (2634, 7749), (3073, 6642), (3321, 6146), (3951, 5166)]