20044972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 39529728

約数和(自身を除く): 19484756

約数列:

[1, 2, 4, 17, 31, 34, 37, 62, 68, 74, 124, 148, 257, 514, 527, 629, 1028, 1054, 1147, 1258, 2108, 2294, 2516, 4369, 4588, 7967, 8738, 9509, 15934, 17476, 19018, 19499, 31868, 38036, 38998, 77996, 135439, 161653, 270878, 294779, 323306, 541756, 589558, 646612, 1179116, 5011243, 10022486, 20044972]

約数ペア:

[(1, 20044972), (2, 10022486), (4, 5011243), (17, 1179116), (31, 646612), (34, 589558), (37, 541756), (62, 323306), (68, 294779), (74, 270878), (124, 161653), (148, 135439), (257, 77996), (514, 38998), (527, 38036), (629, 31868), (1028, 19499), (1054, 19018), (1147, 17476), (1258, 15934), (2108, 9509), (2294, 8738), (2516, 7967), (4369, 4588)]