20685053520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{28729241}}^1$

素因数の和:28729260

約数の個数: 60

約数和(自身を含む): 69467307156

約数和(自身を除く): 48782253636

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 28729241, 57458482, 86187723, 114916964, 143646205, 172375446, 229833928, 258563169, 287292410, 344750892, 430938615, 459667856, 517126338, 574584820, 689501784, 861877230, 1034252676, 1149169640, 1292815845, 1379003568, 1723754460, 2068505352, 2298339280, 2585631690, 3447508920, 4137010704, 5171263380, 6895017840, 10342526760, 20685053520]

約数ペア:

[(1, 20685053520), (2, 10342526760), (3, 6895017840), (4, 5171263380), (5, 4137010704), (6, 3447508920), (8, 2585631690), (9, 2298339280), (10, 2068505352), (12, 1723754460), (15, 1379003568), (16, 1292815845), (18, 1149169640), (20, 1034252676), (24, 861877230), (30, 689501784), (36, 574584820), (40, 517126338), (45, 459667856), (48, 430938615), (60, 344750892), (72, 287292410), (80, 258563169), (90, 229833928), (120, 172375446), (144, 143646205), (180, 114916964), (240, 86187723), (360, 57458482), (720, 28729241)]