20123687990

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{433}}^1\times {\mathrm{94847}}^1$

素因数の和:95301

約数の個数: 48

約数和(自身を含む): 42234296832

約数和(自身を除く): 22110608842

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 433, 490, 866, 2165, 3031, 4330, 6062, 15155, 21217, 30310, 42434, 94847, 106085, 189694, 212170, 474235, 663929, 948470, 1327858, 3319645, 4647503, 6639290, 9295006, 23237515, 41068751, 46475030, 82137502, 205343755, 287481257, 410687510, 574962514, 1437406285, 2012368799, 2874812570, 4024737598, 10061843995, 20123687990]

約数ペア:

[(1, 20123687990), (2, 10061843995), (5, 4024737598), (7, 2874812570), (10, 2012368799), (14, 1437406285), (35, 574962514), (49, 410687510), (70, 287481257), (98, 205343755), (245, 82137502), (433, 46475030), (490, 41068751), (866, 23237515), (2165, 9295006), (3031, 6639290), (4330, 4647503), (6062, 3319645), (15155, 1327858), (21217, 948470), (30310, 663929), (42434, 474235), (94847, 212170), (106085, 189694)]