20688384

素因数分解:

$2^9\times 3^1\times {\mathrm{13469}}^1$

素因数の和:13490

約数の個数: 40

約数和(自身を含む): 55119240

約数和(自身を除く): 34430856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13469, 26938, 40407, 53876, 80814, 107752, 161628, 215504, 323256, 431008, 646512, 862016, 1293024, 1724032, 2586048, 3448064, 5172096, 6896128, 10344192, 20688384]

約数ペア:

[(1, 20688384), (2, 10344192), (3, 6896128), (4, 5172096), (6, 3448064), (8, 2586048), (12, 1724032), (16, 1293024), (24, 862016), (32, 646512), (48, 431008), (64, 323256), (96, 215504), (128, 161628), (192, 107752), (256, 80814), (384, 53876), (512, 40407), (768, 26938), (1536, 13469)]