20775296

素因数分解:

$2^7\times {\mathrm{101}}^1\times {\mathrm{1607}}^1$

素因数の和:1722

約数の個数: 32

約数和(自身を含む): 41824080

約数和(自身を除く): 21048784

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 128, 202, 404, 808, 1607, 1616, 3214, 3232, 6428, 6464, 12856, 12928, 25712, 51424, 102848, 162307, 205696, 324614, 649228, 1298456, 2596912, 5193824, 10387648, 20775296]

約数ペア:

[(1, 20775296), (2, 10387648), (4, 5193824), (8, 2596912), (16, 1298456), (32, 649228), (64, 324614), (101, 205696), (128, 162307), (202, 102848), (404, 51424), (808, 25712), (1607, 12928), (1616, 12856), (3214, 6464), (3232, 6428)]