20214784

素因数分解:

$2^{10}\times {\mathrm{19}}^1\times {\mathrm{1039}}^1$

素因数の和:1078

約数の個数: 44

約数和(自身を含む): 42577600

約数和(自身を除く): 22362816

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 512, 608, 1024, 1039, 1216, 2078, 2432, 4156, 4864, 8312, 9728, 16624, 19456, 19741, 33248, 39482, 66496, 78964, 132992, 157928, 265984, 315856, 531968, 631712, 1063936, 1263424, 2526848, 5053696, 10107392, 20214784]

約数ペア:

[(1, 20214784), (2, 10107392), (4, 5053696), (8, 2526848), (16, 1263424), (19, 1063936), (32, 631712), (38, 531968), (64, 315856), (76, 265984), (128, 157928), (152, 132992), (256, 78964), (304, 66496), (512, 39482), (608, 33248), (1024, 19741), (1039, 19456), (1216, 16624), (2078, 9728), (2432, 8312), (4156, 4864)]