20482154

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 18817750

約数列:

[1, 2, 7, 11, 14, 22, 77, 107, 113, 121, 154, 214, 226, 242, 749, 791, 847, 1177, 1243, 1498, 1582, 1694, 2354, 2486, 8239, 8701, 12091, 12947, 13673, 16478, 17402, 24182, 25894, 27346, 84637, 90629, 95711, 133001, 169274, 181258, 191422, 266002, 931007, 1463011, 1862014, 2926022, 10241077, 20482154]

約数ペア:

[(1, 20482154), (2, 10241077), (7, 2926022), (11, 1862014), (14, 1463011), (22, 931007), (77, 266002), (107, 191422), (113, 181258), (121, 169274), (154, 133001), (214, 95711), (226, 90629), (242, 84637), (749, 27346), (791, 25894), (847, 24182), (1177, 17402), (1243, 16478), (1498, 13673), (1582, 12947), (1694, 12091), (2354, 8701), (2486, 8239)]