20285790

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3331}}^1$

素因数の和:3377

約数の個数: 64

約数和(自身を含む): 57576960

約数和(自身を除く): 37291170

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 29, 30, 35, 42, 58, 70, 87, 105, 145, 174, 203, 210, 290, 406, 435, 609, 870, 1015, 1218, 2030, 3045, 3331, 6090, 6662, 9993, 16655, 19986, 23317, 33310, 46634, 49965, 69951, 96599, 99930, 116585, 139902, 193198, 233170, 289797, 349755, 482995, 579594, 676193, 699510, 965990, 1352386, 1448985, 2028579, 2897970, 3380965, 4057158, 6761930, 10142895, 20285790]

約数ペア:

[(1, 20285790), (2, 10142895), (3, 6761930), (5, 4057158), (6, 3380965), (7, 2897970), (10, 2028579), (14, 1448985), (15, 1352386), (21, 965990), (29, 699510), (30, 676193), (35, 579594), (42, 482995), (58, 349755), (70, 289797), (87, 233170), (105, 193198), (145, 139902), (174, 116585), (203, 99930), (210, 96599), (290, 69951), (406, 49965), (435, 46634), (609, 33310), (870, 23317), (1015, 19986), (1218, 16655), (2030, 9993), (3045, 6662), (3331, 6090)]