20107904

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{5417}}^1$

素因数の和:5460

約数の個数: 32

約数和(自身を含む): 41447700

約数和(自身を除く): 21339796

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 5417, 10834, 21668, 43336, 86672, 157093, 173344, 314186, 346688, 628372, 693376, 1256744, 2513488, 5026976, 10053952, 20107904]

約数ペア:

[(1, 20107904), (2, 10053952), (4, 5026976), (8, 2513488), (16, 1256744), (29, 693376), (32, 628372), (58, 346688), (64, 314186), (116, 173344), (128, 157093), (232, 86672), (464, 43336), (928, 21668), (1856, 10834), (3712, 5417)]