20807552

素因数分解:

$2^7\times {\mathrm{149}}^1\times {\mathrm{1091}}^1$

素因数の和:1254

約数の個数: 32

約数和(自身を含む): 41769000

約数和(自身を除く): 20961448

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 149, 298, 596, 1091, 1192, 2182, 2384, 4364, 4768, 8728, 9536, 17456, 19072, 34912, 69824, 139648, 162559, 325118, 650236, 1300472, 2600944, 5201888, 10403776, 20807552]

約数ペア:

[(1, 20807552), (2, 10403776), (4, 5201888), (8, 2600944), (16, 1300472), (32, 650236), (64, 325118), (128, 162559), (149, 139648), (298, 69824), (596, 34912), (1091, 19072), (1192, 17456), (2182, 9536), (2384, 8728), (4364, 4768)]