20157512

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1439}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 20277688

約数列:

[1, 2, 4, 8, 17, 34, 68, 103, 136, 206, 412, 824, 1439, 1751, 2878, 3502, 5756, 7004, 11512, 14008, 24463, 48926, 97852, 148217, 195704, 296434, 592868, 1185736, 2519689, 5039378, 10078756, 20157512]

約数ペア:

[(1, 20157512), (2, 10078756), (4, 5039378), (8, 2519689), (17, 1185736), (34, 592868), (68, 296434), (103, 195704), (136, 148217), (206, 97852), (412, 48926), (824, 24463), (1439, 14008), (1751, 11512), (2878, 7004), (3502, 5756)]