20463510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 51093504

約数和(自身を除く): 30629994

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 127, 131, 205, 246, 254, 262, 381, 393, 410, 615, 635, 655, 762, 786, 1230, 1270, 1310, 1905, 1965, 3810, 3930, 5207, 5371, 10414, 10742, 15621, 16113, 16637, 26035, 26855, 31242, 32226, 33274, 49911, 52070, 53710, 78105, 80565, 83185, 99822, 156210, 161130, 166370, 249555, 499110, 682117, 1364234, 2046351, 3410585, 4092702, 6821170, 10231755, 20463510]

約数ペア:

[(1, 20463510), (2, 10231755), (3, 6821170), (5, 4092702), (6, 3410585), (10, 2046351), (15, 1364234), (30, 682117), (41, 499110), (82, 249555), (123, 166370), (127, 161130), (131, 156210), (205, 99822), (246, 83185), (254, 80565), (262, 78105), (381, 53710), (393, 52070), (410, 49911), (615, 33274), (635, 32226), (655, 31242), (762, 26855), (786, 26035), (1230, 16637), (1270, 16113), (1310, 15621), (1905, 10742), (1965, 10414), (3810, 5371), (3930, 5207)]