20734245

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 22603995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 37, 45, 63, 105, 111, 135, 185, 189, 259, 315, 333, 555, 593, 777, 945, 999, 1295, 1665, 1779, 2331, 2965, 3885, 4151, 4995, 5337, 6993, 8895, 11655, 12453, 16011, 20755, 21941, 26685, 34965, 37359, 62265, 65823, 80055, 109705, 112077, 153587, 186795, 197469, 329115, 460761, 560385, 592407, 767935, 987345, 1382283, 2303805, 2962035, 4146849, 6911415, 20734245]

約数ペア:

[(1, 20734245), (3, 6911415), (5, 4146849), (7, 2962035), (9, 2303805), (15, 1382283), (21, 987345), (27, 767935), (35, 592407), (37, 560385), (45, 460761), (63, 329115), (105, 197469), (111, 186795), (135, 153587), (185, 112077), (189, 109705), (259, 80055), (315, 65823), (333, 62265), (555, 37359), (593, 34965), (777, 26685), (945, 21941), (999, 20755), (1295, 16011), (1665, 12453), (1779, 11655), (2331, 8895), (2965, 6993), (3885, 5337), (4151, 4995)]