20726528868

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{4243}}^1\times {\mathrm{4679}}^1$

素因数の和:8961

約数の個数: 72

約数和(自身を含む): 54223041600

約数和(自身を除く): 33496512732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 4243, 4679, 8486, 9358, 12729, 14037, 16972, 18716, 25458, 28074, 38187, 42111, 50916, 56148, 76374, 84222, 123047, 135691, 152748, 168444, 246094, 271382, 369141, 407073, 492188, 542764, 738282, 814146, 1107423, 1221219, 1476564, 1628292, 2214846, 2442438, 4429692, 4884876, 19852997, 39705994, 59558991, 79411988, 119117982, 178676973, 238235964, 357353946, 575736913, 714707892, 1151473826, 1727210739, 2302947652, 3454421478, 5181632217, 6908842956, 10363264434, 20726528868]

約数ペア:

[(1, 20726528868), (2, 10363264434), (3, 6908842956), (4, 5181632217), (6, 3454421478), (9, 2302947652), (12, 1727210739), (18, 1151473826), (29, 714707892), (36, 575736913), (58, 357353946), (87, 238235964), (116, 178676973), (174, 119117982), (261, 79411988), (348, 59558991), (522, 39705994), (1044, 19852997), (4243, 4884876), (4679, 4429692), (8486, 2442438), (9358, 2214846), (12729, 1628292), (14037, 1476564), (16972, 1221219), (18716, 1107423), (25458, 814146), (28074, 738282), (38187, 542764), (42111, 492188), (50916, 407073), (56148, 369141), (76374, 271382), (84222, 246094), (123047, 168444), (135691, 152748)]