20824863458

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{666737}}^1$

素因数の和:666866

約数の個数: 32

約数和(自身を含む): 37636026624

約数和(自身を除く): 16811163166

約数列:

[1, 2, 7, 14, 23, 46, 97, 161, 194, 322, 679, 1358, 2231, 4462, 15617, 31234, 666737, 1333474, 4667159, 9334318, 15334951, 30669902, 64673489, 107344657, 129346978, 214689314, 452714423, 905428846, 1487490247, 2974980494, 10412431729, 20824863458]

約数ペア:

[(1, 20824863458), (2, 10412431729), (7, 2974980494), (14, 1487490247), (23, 905428846), (46, 452714423), (97, 214689314), (161, 129346978), (194, 107344657), (322, 64673489), (679, 30669902), (1358, 15334951), (2231, 9334318), (4462, 4667159), (15617, 1333474), (31234, 666737)]