20421888

素因数分解:

$2^8\times 3^1\times {\mathrm{26591}}^1$

素因数の和:26610

約数の個数: 36

約数和(自身を含む): 54354048

約数和(自身を除く): 33932160

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 26591, 53182, 79773, 106364, 159546, 212728, 319092, 425456, 638184, 850912, 1276368, 1701824, 2552736, 3403648, 5105472, 6807296, 10210944, 20421888]

約数ペア:

[(1, 20421888), (2, 10210944), (3, 6807296), (4, 5105472), (6, 3403648), (8, 2552736), (12, 1701824), (16, 1276368), (24, 850912), (32, 638184), (48, 425456), (64, 319092), (96, 212728), (128, 159546), (192, 106364), (256, 79773), (384, 53182), (768, 26591)]