20627944

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 40027680

約数和(自身を除く): 19399736

約数列:

[1, 2, 4, 8, 37, 74, 148, 227, 296, 307, 454, 614, 908, 1228, 1816, 2456, 8399, 11359, 16798, 22718, 33596, 45436, 67192, 69689, 90872, 139378, 278756, 557512, 2578493, 5156986, 10313972, 20627944]

約数ペア:

[(1, 20627944), (2, 10313972), (4, 5156986), (8, 2578493), (37, 557512), (74, 278756), (148, 139378), (227, 90872), (296, 69689), (307, 67192), (454, 45436), (614, 33596), (908, 22718), (1228, 16798), (1816, 11359), (2456, 8399)]