20697856

素因数分解:

$2^8\times {\mathrm{233}}^1\times {\mathrm{347}}^1$

素因数の和:596

約数の個数: 36

約数和(自身を含む): 41611752

約数和(自身を除く): 20913896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 233, 256, 347, 466, 694, 932, 1388, 1864, 2776, 3728, 5552, 7456, 11104, 14912, 22208, 29824, 44416, 59648, 80851, 88832, 161702, 323404, 646808, 1293616, 2587232, 5174464, 10348928, 20697856]

約数ペア:

[(1, 20697856), (2, 10348928), (4, 5174464), (8, 2587232), (16, 1293616), (32, 646808), (64, 323404), (128, 161702), (233, 88832), (256, 80851), (347, 59648), (466, 44416), (694, 29824), (932, 22208), (1388, 14912), (1864, 11104), (2776, 7456), (3728, 5552)]