20443158

素因数分解:

$2^1\times 3^3\times {\mathrm{347}}^1\times {\mathrm{1091}}^1$

素因数の和:1449

約数の個数: 32

約数和(自身を含む): 45601920

約数和(自身を除く): 25158762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 347, 694, 1041, 1091, 2082, 2182, 3123, 3273, 6246, 6546, 9369, 9819, 18738, 19638, 29457, 58914, 378577, 757154, 1135731, 2271462, 3407193, 6814386, 10221579, 20443158]

約数ペア:

[(1, 20443158), (2, 10221579), (3, 6814386), (6, 3407193), (9, 2271462), (18, 1135731), (27, 757154), (54, 378577), (347, 58914), (694, 29457), (1041, 19638), (1091, 18738), (2082, 9819), (2182, 9369), (3123, 6546), (3273, 6246)]