20703360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1$

素因数の和:326

約数の個数: 128

約数和(自身を含む): 67858560

約数和(自身を除く): 47155200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 263, 320, 328, 384, 410, 480, 492, 526, 615, 640, 656, 789, 820, 960, 984, 1052, 1230, 1312, 1315, 1578, 1640, 1920, 1968, 2104, 2460, 2624, 2630, 3156, 3280, 3936, 3945, 4208, 4920, 5248, 5260, 6312, 6560, 7872, 7890, 8416, 9840, 10520, 10783, 12624, 13120, 15744, 15780, 16832, 19680, 21040, 21566, 25248, 26240, 31560, 32349, 33664, 39360, 42080, 43132, 50496, 53915, 63120, 64698, 78720, 84160, 86264, 100992, 107830, 126240, 129396, 161745, 168320, 172528, 215660, 252480, 258792, 323490, 345056, 431320, 504960, 517584, 646980, 690112, 862640, 1035168, 1293960, 1380224, 1725280, 2070336, 2587920, 3450560, 4140672, 5175840, 6901120, 10351680, 20703360]

約数ペア:

[(1, 20703360), (2, 10351680), (3, 6901120), (4, 5175840), (5, 4140672), (6, 3450560), (8, 2587920), (10, 2070336), (12, 1725280), (15, 1380224), (16, 1293960), (20, 1035168), (24, 862640), (30, 690112), (32, 646980), (40, 517584), (41, 504960), (48, 431320), (60, 345056), (64, 323490), (80, 258792), (82, 252480), (96, 215660), (120, 172528), (123, 168320), (128, 161745), (160, 129396), (164, 126240), (192, 107830), (205, 100992), (240, 86264), (246, 84160), (263, 78720), (320, 64698), (328, 63120), (384, 53915), (410, 50496), (480, 43132), (492, 42080), (526, 39360), (615, 33664), (640, 32349), (656, 31560), (789, 26240), (820, 25248), (960, 21566), (984, 21040), (1052, 19680), (1230, 16832), (1312, 15780), (1315, 15744), (1578, 13120), (1640, 12624), (1920, 10783), (1968, 10520), (2104, 9840), (2460, 8416), (2624, 7890), (2630, 7872), (3156, 6560), (3280, 6312), (3936, 5260), (3945, 5248), (4208, 4920)]