20045428

素因数分解:

$2^2\times {\mathrm{13}}^3\times {\mathrm{2281}}^1$

素因数の和:2324

約数の個数: 24

約数和(自身を含む): 38018120

約数和(自身を除く): 17972692

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2197, 2281, 4394, 4562, 8788, 9124, 29653, 59306, 118612, 385489, 770978, 1541956, 5011357, 10022714, 20045428]

約数ペア:

[(1, 20045428), (2, 10022714), (4, 5011357), (13, 1541956), (26, 770978), (52, 385489), (169, 118612), (338, 59306), (676, 29653), (2197, 9124), (2281, 8788), (4394, 4562)]