20886144

素因数分解:

$2^7\times 3^1\times {\mathrm{109}}^1\times {\mathrm{499}}^1$

素因数の和:625

約数の個数: 64

約数和(自身を含む): 56100000

約数和(自身を除く): 35213856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 109, 128, 192, 218, 327, 384, 436, 499, 654, 872, 998, 1308, 1497, 1744, 1996, 2616, 2994, 3488, 3992, 5232, 5988, 6976, 7984, 10464, 11976, 13952, 15968, 20928, 23952, 31936, 41856, 47904, 54391, 63872, 95808, 108782, 163173, 191616, 217564, 326346, 435128, 652692, 870256, 1305384, 1740512, 2610768, 3481024, 5221536, 6962048, 10443072, 20886144]

約数ペア:

[(1, 20886144), (2, 10443072), (3, 6962048), (4, 5221536), (6, 3481024), (8, 2610768), (12, 1740512), (16, 1305384), (24, 870256), (32, 652692), (48, 435128), (64, 326346), (96, 217564), (109, 191616), (128, 163173), (192, 108782), (218, 95808), (327, 63872), (384, 54391), (436, 47904), (499, 41856), (654, 31936), (872, 23952), (998, 20928), (1308, 15968), (1497, 13952), (1744, 11976), (1996, 10464), (2616, 7984), (2994, 6976), (3488, 5988), (3992, 5232)]