20266274

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1338

約数の個数: 32

約数和(自身を含む): 37200000

約数和(自身を除く): 16933726

約数列:

[1, 2, 7, 14, 19, 38, 61, 122, 133, 266, 427, 854, 1159, 1249, 2318, 2498, 8113, 8743, 16226, 17486, 23731, 47462, 76189, 152378, 166117, 332234, 533323, 1066646, 1447591, 2895182, 10133137, 20266274]

約数ペア:

[(1, 20266274), (2, 10133137), (7, 2895182), (14, 1447591), (19, 1066646), (38, 533323), (61, 332234), (122, 166117), (133, 152378), (266, 76189), (427, 47462), (854, 23731), (1159, 17486), (1249, 16226), (2318, 8743), (2498, 8113)]