20560384

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{3089}}^1$

素因数の和:3120

約数の個数: 40

約数和(自身を含む): 44254980

約数和(自身を除く): 23694596

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3089, 3328, 6178, 6656, 12356, 24712, 40157, 49424, 80314, 98848, 160628, 197696, 321256, 395392, 642512, 790784, 1285024, 1581568, 2570048, 5140096, 10280192, 20560384]

約数ペア:

[(1, 20560384), (2, 10280192), (4, 5140096), (8, 2570048), (13, 1581568), (16, 1285024), (26, 790784), (32, 642512), (52, 395392), (64, 321256), (104, 197696), (128, 160628), (208, 98848), (256, 80314), (416, 49424), (512, 40157), (832, 24712), (1664, 12356), (3089, 6656), (3328, 6178)]