20744857560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3528037}}^1$

素因数の和:3528065

約数の個数: 96

約数和(自身を含む): 72395339760

約数和(自身を除く): 51650482200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 3528037, 7056074, 10584111, 14112148, 17640185, 21168222, 24696259, 28224296, 35280370, 42336444, 49392518, 52920555, 70560740, 74088777, 84672888, 98785036, 105841110, 123481295, 141121480, 148177554, 172873813, 197570072, 211682220, 246962590, 296355108, 345747626, 370443885, 423364440, 493925180, 518621439, 592710216, 691495252, 740887770, 864369065, 987850360, 1037242878, 1382990504, 1481775540, 1728738130, 2074485756, 2593107195, 2963551080, 3457476260, 4148971512, 5186214390, 6914952520, 10372428780, 20744857560]

約数ペア:

[(1, 20744857560), (2, 10372428780), (3, 6914952520), (4, 5186214390), (5, 4148971512), (6, 3457476260), (7, 2963551080), (8, 2593107195), (10, 2074485756), (12, 1728738130), (14, 1481775540), (15, 1382990504), (20, 1037242878), (21, 987850360), (24, 864369065), (28, 740887770), (30, 691495252), (35, 592710216), (40, 518621439), (42, 493925180), (49, 423364440), (56, 370443885), (60, 345747626), (70, 296355108), (84, 246962590), (98, 211682220), (105, 197570072), (120, 172873813), (140, 148177554), (147, 141121480), (168, 123481295), (196, 105841110), (210, 98785036), (245, 84672888), (280, 74088777), (294, 70560740), (392, 52920555), (420, 49392518), (490, 42336444), (588, 35280370), (735, 28224296), (840, 24696259), (980, 21168222), (1176, 17640185), (1470, 14112148), (1960, 10584111), (2940, 7056074), (5880, 3528037)]