20158094872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{658417}}^1$

素因数の和:658555

約数の個数: 32

約数和(自身を含む): 39110029200

約数和(自身を除く): 18951934328

約数列:

[1, 2, 4, 8, 43, 86, 89, 172, 178, 344, 356, 712, 3827, 7654, 15308, 30616, 658417, 1316834, 2633668, 5267336, 28311931, 56623862, 58599113, 113247724, 117198226, 226495448, 234396452, 468792904, 2519761859, 5039523718, 10079047436, 20158094872]

約数ペア:

[(1, 20158094872), (2, 10079047436), (4, 5039523718), (8, 2519761859), (43, 468792904), (86, 234396452), (89, 226495448), (172, 117198226), (178, 113247724), (344, 58599113), (356, 56623862), (712, 28311931), (3827, 5267336), (7654, 2633668), (15308, 1316834), (30616, 658417)]