20791046520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{620999}}^1$

素因数の和:621050

約数の個数: 128

約数和(自身を含む): 71539200000

約数和(自身を除く): 50748153480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 31, 36, 40, 45, 54, 60, 62, 72, 90, 93, 108, 120, 124, 135, 155, 180, 186, 216, 248, 270, 279, 310, 360, 372, 465, 540, 558, 620, 744, 837, 930, 1080, 1116, 1240, 1395, 1674, 1860, 2232, 2790, 3348, 3720, 4185, 5580, 6696, 8370, 11160, 16740, 33480, 620999, 1241998, 1862997, 2483996, 3104995, 3725994, 4967992, 5588991, 6209990, 7451988, 9314985, 11177982, 12419980, 14903976, 16766973, 18629970, 19250969, 22355964, 24839960, 27944955, 33533946, 37259940, 38501938, 44711928, 55889910, 57752907, 67067892, 74519880, 77003876, 83834865, 96254845, 111779820, 115505814, 134135784, 154007752, 167669730, 173258721, 192509690, 223559640, 231011628, 288764535, 335339460, 346517442, 385019380, 462023256, 519776163, 577529070, 670678920, 693034884, 770038760, 866293605, 1039552326, 1155058140, 1386069768, 1732587210, 2079104652, 2310116280, 2598880815, 3465174420, 4158209304, 5197761630, 6930348840, 10395523260, 20791046520]

約数ペア:

[(1, 20791046520), (2, 10395523260), (3, 6930348840), (4, 5197761630), (5, 4158209304), (6, 3465174420), (8, 2598880815), (9, 2310116280), (10, 2079104652), (12, 1732587210), (15, 1386069768), (18, 1155058140), (20, 1039552326), (24, 866293605), (27, 770038760), (30, 693034884), (31, 670678920), (36, 577529070), (40, 519776163), (45, 462023256), (54, 385019380), (60, 346517442), (62, 335339460), (72, 288764535), (90, 231011628), (93, 223559640), (108, 192509690), (120, 173258721), (124, 167669730), (135, 154007752), (155, 134135784), (180, 115505814), (186, 111779820), (216, 96254845), (248, 83834865), (270, 77003876), (279, 74519880), (310, 67067892), (360, 57752907), (372, 55889910), (465, 44711928), (540, 38501938), (558, 37259940), (620, 33533946), (744, 27944955), (837, 24839960), (930, 22355964), (1080, 19250969), (1116, 18629970), (1240, 16766973), (1395, 14903976), (1674, 12419980), (1860, 11177982), (2232, 9314985), (2790, 7451988), (3348, 6209990), (3720, 5588991), (4185, 4967992), (5580, 3725994), (6696, 3104995), (8370, 2483996), (11160, 1862997), (16740, 1241998), (33480, 620999)]