20068208

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:465

約数の個数: 40

約数和(自身を含む): 40428960

約数和(自身を除く): 20360752

約数列:

[1, 2, 4, 8, 16, 37, 74, 109, 148, 218, 296, 311, 436, 592, 622, 872, 1244, 1744, 2488, 4033, 4976, 8066, 11507, 16132, 23014, 32264, 33899, 46028, 64528, 67798, 92056, 135596, 184112, 271192, 542384, 1254263, 2508526, 5017052, 10034104, 20068208]

約数ペア:

[(1, 20068208), (2, 10034104), (4, 5017052), (8, 2508526), (16, 1254263), (37, 542384), (74, 271192), (109, 184112), (148, 135596), (218, 92056), (296, 67798), (311, 64528), (436, 46028), (592, 33899), (622, 32264), (872, 23014), (1244, 16132), (1744, 11507), (2488, 8066), (4033, 4976)]