20927192

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1663}}^1$

素因数の和:1704

約数の個数: 48

約数和(自身を含む): 46475520

約数和(自身を除く): 25548328

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1573, 1663, 3146, 3326, 6292, 6652, 12584, 13304, 18293, 21619, 36586, 43238, 73172, 86476, 146344, 172952, 201223, 237809, 402446, 475618, 804892, 951236, 1609784, 1902472, 2615899, 5231798, 10463596, 20927192]

約数ペア:

[(1, 20927192), (2, 10463596), (4, 5231798), (8, 2615899), (11, 1902472), (13, 1609784), (22, 951236), (26, 804892), (44, 475618), (52, 402446), (88, 237809), (104, 201223), (121, 172952), (143, 146344), (242, 86476), (286, 73172), (484, 43238), (572, 36586), (968, 21619), (1144, 18293), (1573, 13304), (1663, 12584), (3146, 6652), (3326, 6292)]