20160820212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3005489}}^1$

素因数の和:3005552

約数の個数: 48

約数和(自身を含む): 51838691520

約数和(自身を除く): 31677871308

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3354, 6708, 3005489, 6010978, 9016467, 12021956, 18032934, 36065868, 39071357, 78142714, 117214071, 129236027, 156285428, 234428142, 258472054, 387708081, 468856284, 516944108, 775416162, 1550832324, 1680068351, 3360136702, 5040205053, 6720273404, 10080410106, 20160820212]

約数ペア:

[(1, 20160820212), (2, 10080410106), (3, 6720273404), (4, 5040205053), (6, 3360136702), (12, 1680068351), (13, 1550832324), (26, 775416162), (39, 516944108), (43, 468856284), (52, 387708081), (78, 258472054), (86, 234428142), (129, 156285428), (156, 129236027), (172, 117214071), (258, 78142714), (516, 39071357), (559, 36065868), (1118, 18032934), (1677, 12021956), (2236, 9016467), (3354, 6010978), (6708, 3005489)]