20496490740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10351763}}^1$

素因数の和:10351789

約数の個数: 72

約数和(自身を含む): 67824757728

約数和(自身を除く): 47328266988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 10351763, 20703526, 31055289, 41407052, 51758815, 62110578, 93165867, 103517630, 113869393, 124221156, 155276445, 186331734, 207035260, 227738786, 310552890, 341608179, 372663468, 455477572, 465829335, 569346965, 621105780, 683216358, 931658670, 1024824537, 1138693930, 1366432716, 1708040895, 1863317340, 2049649074, 2277387860, 3416081790, 4099298148, 5124122685, 6832163580, 10248245370, 20496490740]

約数ペア:

[(1, 20496490740), (2, 10248245370), (3, 6832163580), (4, 5124122685), (5, 4099298148), (6, 3416081790), (9, 2277387860), (10, 2049649074), (11, 1863317340), (12, 1708040895), (15, 1366432716), (18, 1138693930), (20, 1024824537), (22, 931658670), (30, 683216358), (33, 621105780), (36, 569346965), (44, 465829335), (45, 455477572), (55, 372663468), (60, 341608179), (66, 310552890), (90, 227738786), (99, 207035260), (110, 186331734), (132, 155276445), (165, 124221156), (180, 113869393), (198, 103517630), (220, 93165867), (330, 62110578), (396, 51758815), (495, 41407052), (660, 31055289), (990, 20703526), (1980, 10351763)]