20354816

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{3457}}^1$

素因数の和:3496

約数の個数: 36

約数和(自身を含む): 42408912

約数和(自身を除く): 22054096

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 92, 128, 184, 256, 368, 736, 1472, 2944, 3457, 5888, 6914, 13828, 27656, 55312, 79511, 110624, 159022, 221248, 318044, 442496, 636088, 884992, 1272176, 2544352, 5088704, 10177408, 20354816]

約数ペア:

[(1, 20354816), (2, 10177408), (4, 5088704), (8, 2544352), (16, 1272176), (23, 884992), (32, 636088), (46, 442496), (64, 318044), (92, 221248), (128, 159022), (184, 110624), (256, 79511), (368, 55312), (736, 27656), (1472, 13828), (2944, 6914), (3457, 5888)]