20790481320

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8250191}}^1$

素因数の和:8250215

約数の個数: 96

約数和(自身を含む): 77221797120

約数和(自身を除く): 56431315800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8250191, 16500382, 24750573, 33000764, 41250955, 49501146, 57751337, 66001528, 74251719, 82501910, 99002292, 115502674, 123752865, 148503438, 165003820, 173254011, 198004584, 231005348, 247505730, 288756685, 297006876, 330007640, 346508022, 371258595, 462010696, 495011460, 519762033, 577513370, 594013752, 693016044, 742517190, 866270055, 990022920, 1039524066, 1155026740, 1386032088, 1485034380, 1732540110, 2079048132, 2310053480, 2598810165, 2970068760, 3465080220, 4158096264, 5197620330, 6930160440, 10395240660, 20790481320]

約数ペア:

[(1, 20790481320), (2, 10395240660), (3, 6930160440), (4, 5197620330), (5, 4158096264), (6, 3465080220), (7, 2970068760), (8, 2598810165), (9, 2310053480), (10, 2079048132), (12, 1732540110), (14, 1485034380), (15, 1386032088), (18, 1155026740), (20, 1039524066), (21, 990022920), (24, 866270055), (28, 742517190), (30, 693016044), (35, 594013752), (36, 577513370), (40, 519762033), (42, 495011460), (45, 462010696), (56, 371258595), (60, 346508022), (63, 330007640), (70, 297006876), (72, 288756685), (84, 247505730), (90, 231005348), (105, 198004584), (120, 173254011), (126, 165003820), (140, 148503438), (168, 123752865), (180, 115502674), (210, 99002292), (252, 82501910), (280, 74251719), (315, 66001528), (360, 57751337), (420, 49501146), (504, 41250955), (630, 33000764), (840, 24750573), (1260, 16500382), (2520, 8250191)]