20883908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{4283}}^1$

素因数の和:4363

約数の個数: 24

約数和(自身を含む): 38864448

約数和(自身を除く): 17980540

約数列:

[1, 2, 4, 23, 46, 53, 92, 106, 212, 1219, 2438, 4283, 4876, 8566, 17132, 98509, 197018, 226999, 394036, 453998, 907996, 5220977, 10441954, 20883908]

約数ペア:

[(1, 20883908), (2, 10441954), (4, 5220977), (23, 907996), (46, 453998), (53, 394036), (92, 226999), (106, 197018), (212, 98509), (1219, 17132), (2438, 8566), (4283, 4876)]