20115488

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{359}}^1$

素因数の和:489

約数の個数: 48

約数和(自身を含む): 42456960

約数和(自身を除く): 22341472

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 103, 136, 206, 272, 359, 412, 544, 718, 824, 1436, 1648, 1751, 2872, 3296, 3502, 5744, 6103, 7004, 11488, 12206, 14008, 24412, 28016, 36977, 48824, 56032, 73954, 97648, 147908, 195296, 295816, 591632, 628609, 1183264, 1257218, 2514436, 5028872, 10057744, 20115488]

約数ペア:

[(1, 20115488), (2, 10057744), (4, 5028872), (8, 2514436), (16, 1257218), (17, 1183264), (32, 628609), (34, 591632), (68, 295816), (103, 195296), (136, 147908), (206, 97648), (272, 73954), (359, 56032), (412, 48824), (544, 36977), (718, 28016), (824, 24412), (1436, 14008), (1648, 12206), (1751, 11488), (2872, 7004), (3296, 6103), (3502, 5744)]