20562760

素因数分解:

$2^3\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1171}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 46411200

約数和(自身を除く): 25848440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 439, 878, 1171, 1756, 2195, 2342, 3512, 4390, 4684, 5855, 8780, 9368, 11710, 17560, 23420, 46840, 514069, 1028138, 2056276, 2570345, 4112552, 5140690, 10281380, 20562760]

約数ペア:

[(1, 20562760), (2, 10281380), (4, 5140690), (5, 4112552), (8, 2570345), (10, 2056276), (20, 1028138), (40, 514069), (439, 46840), (878, 23420), (1171, 17560), (1756, 11710), (2195, 9368), (2342, 8780), (3512, 5855), (4390, 4684)]