20273528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2281}}^1$

素因数の和:2399

約数の個数: 32

約数和(自身を含む): 41897520

約数和(自身を除く): 21623992

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2222, 2281, 4444, 4562, 8888, 9124, 18248, 25091, 50182, 100364, 200728, 230381, 460762, 921524, 1843048, 2534191, 5068382, 10136764, 20273528]

約数ペア:

[(1, 20273528), (2, 10136764), (4, 5068382), (8, 2534191), (11, 1843048), (22, 921524), (44, 460762), (88, 230381), (101, 200728), (202, 100364), (404, 50182), (808, 25091), (1111, 18248), (2222, 9124), (2281, 8888), (4444, 4562)]