20861408

素因数分解:

$2^5\times {\mathrm{479}}^1\times {\mathrm{1361}}^1$

素因数の和:1850

約数の個数: 24

約数和(自身を含む): 41186880

約数和(自身を除く): 20325472

約数列:

[1, 2, 4, 8, 16, 32, 479, 958, 1361, 1916, 2722, 3832, 5444, 7664, 10888, 15328, 21776, 43552, 651919, 1303838, 2607676, 5215352, 10430704, 20861408]

約数ペア:

[(1, 20861408), (2, 10430704), (4, 5215352), (8, 2607676), (16, 1303838), (32, 651919), (479, 43552), (958, 21776), (1361, 15328), (1916, 10888), (2722, 7664), (3832, 5444)]