20562776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1213}}^1$

素因数の和:1395

約数の個数: 32

約数和(自身を含む): 41810160

約数和(自身を除く): 21247384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1213, 1304, 2119, 2426, 4238, 4852, 8476, 9704, 15769, 16952, 31538, 63076, 126152, 197719, 395438, 790876, 1581752, 2570347, 5140694, 10281388, 20562776]

約数ペア:

[(1, 20562776), (2, 10281388), (4, 5140694), (8, 2570347), (13, 1581752), (26, 790876), (52, 395438), (104, 197719), (163, 126152), (326, 63076), (652, 31538), (1213, 16952), (1304, 15769), (2119, 9704), (2426, 8476), (4238, 4852)]