20213826080

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{80933}}^1$

素因数の和:81178

約数の個数: 96

約数和(自身を含む): 54822749184

約数和(自身を除く): 34608923104

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 223, 224, 280, 446, 560, 892, 1115, 1120, 1561, 1784, 2230, 3122, 3568, 4460, 6244, 7136, 7805, 8920, 12488, 15610, 17840, 24976, 31220, 35680, 49952, 62440, 80933, 124880, 161866, 249760, 323732, 404665, 566531, 647464, 809330, 1133062, 1294928, 1618660, 2266124, 2589856, 2832655, 3237320, 4532248, 5665310, 6474640, 9064496, 11330620, 12949280, 18048059, 18128992, 22661240, 36096118, 45322480, 72192236, 90240295, 90644960, 126336413, 144384472, 180480590, 252672826, 288768944, 360961180, 505345652, 577537888, 631682065, 721922360, 1010691304, 1263364130, 1443844720, 2021382608, 2526728260, 2887689440, 4042765216, 5053456520, 10106913040, 20213826080]

約数ペア:

[(1, 20213826080), (2, 10106913040), (4, 5053456520), (5, 4042765216), (7, 2887689440), (8, 2526728260), (10, 2021382608), (14, 1443844720), (16, 1263364130), (20, 1010691304), (28, 721922360), (32, 631682065), (35, 577537888), (40, 505345652), (56, 360961180), (70, 288768944), (80, 252672826), (112, 180480590), (140, 144384472), (160, 126336413), (223, 90644960), (224, 90240295), (280, 72192236), (446, 45322480), (560, 36096118), (892, 22661240), (1115, 18128992), (1120, 18048059), (1561, 12949280), (1784, 11330620), (2230, 9064496), (3122, 6474640), (3568, 5665310), (4460, 4532248), (6244, 3237320), (7136, 2832655), (7805, 2589856), (8920, 2266124), (12488, 1618660), (15610, 1294928), (17840, 1133062), (24976, 809330), (31220, 647464), (35680, 566531), (49952, 404665), (62440, 323732), (80933, 249760), (124880, 161866)]