20011853385

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{761}}^1\times {\mathrm{4751}}^1$

素因数の和:5567

約数の個数: 64

約数和(自身を含む): 36499921920

約数和(自身を除く): 16488068535

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 123, 135, 205, 369, 615, 761, 1107, 1845, 2283, 3805, 4751, 5535, 6849, 11415, 14253, 20547, 23755, 31201, 34245, 42759, 71265, 93603, 102735, 128277, 156005, 194791, 213795, 280809, 468015, 584373, 641385, 842427, 973955, 1404045, 1753119, 2921865, 3615511, 4212135, 5259357, 8765595, 10846533, 18077555, 26296785, 32539599, 54232665, 97618797, 148235951, 162697995, 444707853, 488093985, 741179755, 1334123559, 2223539265, 4002370677, 6670617795, 20011853385]

約数ペア:

[(1, 20011853385), (3, 6670617795), (5, 4002370677), (9, 2223539265), (15, 1334123559), (27, 741179755), (41, 488093985), (45, 444707853), (123, 162697995), (135, 148235951), (205, 97618797), (369, 54232665), (615, 32539599), (761, 26296785), (1107, 18077555), (1845, 10846533), (2283, 8765595), (3805, 5259357), (4751, 4212135), (5535, 3615511), (6849, 2921865), (11415, 1753119), (14253, 1404045), (20547, 973955), (23755, 842427), (31201, 641385), (34245, 584373), (42759, 468015), (71265, 280809), (93603, 213795), (102735, 194791), (128277, 156005)]