20208760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3533}}^1$

素因数の和:3568

約数の個数: 64

約数和(自身を含む): 53434080

約数和(自身を除く): 33225320

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 3533, 5720, 7066, 14132, 17665, 28264, 35330, 38863, 45929, 70660, 77726, 91858, 141320, 155452, 183716, 194315, 229645, 310904, 367432, 388630, 459290, 505219, 777260, 918580, 1010438, 1554520, 1837160, 2020876, 2526095, 4041752, 5052190, 10104380, 20208760]

約数ペア:

[(1, 20208760), (2, 10104380), (4, 5052190), (5, 4041752), (8, 2526095), (10, 2020876), (11, 1837160), (13, 1554520), (20, 1010438), (22, 918580), (26, 777260), (40, 505219), (44, 459290), (52, 388630), (55, 367432), (65, 310904), (88, 229645), (104, 194315), (110, 183716), (130, 155452), (143, 141320), (220, 91858), (260, 77726), (286, 70660), (440, 45929), (520, 38863), (572, 35330), (715, 28264), (1144, 17665), (1430, 14132), (2860, 7066), (3533, 5720)]