20925952

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{1777}}^1$

素因数の和:1818

約数の個数: 40

約数和(自身を含む): 43653456

約数和(自身を除く): 22727504

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 512, 736, 1472, 1777, 2944, 3554, 5888, 7108, 11776, 14216, 28432, 40871, 56864, 81742, 113728, 163484, 227456, 326968, 454912, 653936, 909824, 1307872, 2615744, 5231488, 10462976, 20925952]

約数ペア:

[(1, 20925952), (2, 10462976), (4, 5231488), (8, 2615744), (16, 1307872), (23, 909824), (32, 653936), (46, 454912), (64, 326968), (92, 227456), (128, 163484), (184, 113728), (256, 81742), (368, 56864), (512, 40871), (736, 28432), (1472, 14216), (1777, 11776), (2944, 7108), (3554, 5888)]