20127068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 39584160

約数和(自身を除く): 19457092

約数列:

[1, 2, 4, 13, 26, 52, 53, 67, 106, 109, 134, 212, 218, 268, 436, 689, 871, 1378, 1417, 1742, 2756, 2834, 3484, 3551, 5668, 5777, 7102, 7303, 11554, 14204, 14606, 23108, 29212, 46163, 75101, 92326, 94939, 150202, 184652, 189878, 300404, 379756, 387059, 774118, 1548236, 5031767, 10063534, 20127068]

約数ペア:

[(1, 20127068), (2, 10063534), (4, 5031767), (13, 1548236), (26, 774118), (52, 387059), (53, 379756), (67, 300404), (106, 189878), (109, 184652), (134, 150202), (212, 94939), (218, 92326), (268, 75101), (436, 46163), (689, 29212), (871, 23108), (1378, 14606), (1417, 14204), (1742, 11554), (2756, 7303), (2834, 7102), (3484, 5777), (3551, 5668)]