20795460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{739}}^1$

素因数の和:825

約数の個数: 96

約数和(自身を含む): 67630080

約数和(自身を除く): 46834620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 67, 70, 84, 105, 134, 140, 201, 210, 268, 335, 402, 420, 469, 670, 739, 804, 938, 1005, 1340, 1407, 1478, 1876, 2010, 2217, 2345, 2814, 2956, 3695, 4020, 4434, 4690, 5173, 5628, 7035, 7390, 8868, 9380, 10346, 11085, 14070, 14780, 15519, 20692, 22170, 25865, 28140, 31038, 44340, 49513, 51730, 62076, 77595, 99026, 103460, 148539, 155190, 198052, 247565, 297078, 310380, 346591, 495130, 594156, 693182, 742695, 990260, 1039773, 1386364, 1485390, 1732955, 2079546, 2970780, 3465910, 4159092, 5198865, 6931820, 10397730, 20795460]

約数ペア:

[(1, 20795460), (2, 10397730), (3, 6931820), (4, 5198865), (5, 4159092), (6, 3465910), (7, 2970780), (10, 2079546), (12, 1732955), (14, 1485390), (15, 1386364), (20, 1039773), (21, 990260), (28, 742695), (30, 693182), (35, 594156), (42, 495130), (60, 346591), (67, 310380), (70, 297078), (84, 247565), (105, 198052), (134, 155190), (140, 148539), (201, 103460), (210, 99026), (268, 77595), (335, 62076), (402, 51730), (420, 49513), (469, 44340), (670, 31038), (739, 28140), (804, 25865), (938, 22170), (1005, 20692), (1340, 15519), (1407, 14780), (1478, 14070), (1876, 11085), (2010, 10346), (2217, 9380), (2345, 8868), (2814, 7390), (2956, 7035), (3695, 5628), (4020, 5173), (4434, 4690)]