20131560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{55921}}^1$

素因数の和:55938

約数の個数: 48

約数和(自身を含む): 65428740

約数和(自身を除く): 45297180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 55921, 111842, 167763, 223684, 279605, 335526, 447368, 503289, 559210, 671052, 838815, 1006578, 1118420, 1342104, 1677630, 2013156, 2236840, 2516445, 3355260, 4026312, 5032890, 6710520, 10065780, 20131560]

約数ペア:

[(1, 20131560), (2, 10065780), (3, 6710520), (4, 5032890), (5, 4026312), (6, 3355260), (8, 2516445), (9, 2236840), (10, 2013156), (12, 1677630), (15, 1342104), (18, 1118420), (20, 1006578), (24, 838815), (30, 671052), (36, 559210), (40, 503289), (45, 447368), (60, 335526), (72, 279605), (90, 223684), (120, 167763), (180, 111842), (360, 55921)]