20405790

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{75577}}^1$

素因数の和:75593

約数の個数: 32

約数和(自身を含む): 54416160

約数和(自身を除く): 34010370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 75577, 151154, 226731, 377885, 453462, 680193, 755770, 1133655, 1360386, 2040579, 2267310, 3400965, 4081158, 6801930, 10202895, 20405790]

約数ペア:

[(1, 20405790), (2, 10202895), (3, 6801930), (5, 4081158), (6, 3400965), (9, 2267310), (10, 2040579), (15, 1360386), (18, 1133655), (27, 755770), (30, 680193), (45, 453462), (54, 377885), (90, 226731), (135, 151154), (270, 75577)]