20165395216

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{337}}^1\times {\mathrm{55819}}^1$

素因数の和:56231

約数の個数: 40

約数和(自身を含む): 39771973280

約数和(自身を除く): 19606578064

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 337, 536, 674, 1072, 1348, 2696, 5392, 22579, 45158, 55819, 90316, 111638, 180632, 223276, 361264, 446552, 893104, 3739873, 7479746, 14959492, 18811003, 29918984, 37622006, 59837968, 75244012, 150488024, 300976048, 1260337201, 2520674402, 5041348804, 10082697608, 20165395216]

約数ペア:

[(1, 20165395216), (2, 10082697608), (4, 5041348804), (8, 2520674402), (16, 1260337201), (67, 300976048), (134, 150488024), (268, 75244012), (337, 59837968), (536, 37622006), (674, 29918984), (1072, 18811003), (1348, 14959492), (2696, 7479746), (5392, 3739873), (22579, 893104), (45158, 446552), (55819, 361264), (90316, 223276), (111638, 180632)]