20767304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{317}}^1\times {\mathrm{431}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 41212800

約数和(自身を除く): 20445496

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 317, 431, 634, 862, 1268, 1724, 2536, 3448, 6023, 8189, 12046, 16378, 24092, 32756, 48184, 65512, 136627, 273254, 546508, 1093016, 2595913, 5191826, 10383652, 20767304]

約数ペア:

[(1, 20767304), (2, 10383652), (4, 5191826), (8, 2595913), (19, 1093016), (38, 546508), (76, 273254), (152, 136627), (317, 65512), (431, 48184), (634, 32756), (862, 24092), (1268, 16378), (1724, 12046), (2536, 8189), (3448, 6023)]