20273718

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1373}}^1$

素因数の和:1508

約数の個数: 32

約数和(自身を含む): 42736896

約数和(自身を除く): 22463178

約数列:

[1, 2, 3, 6, 23, 46, 69, 107, 138, 214, 321, 642, 1373, 2461, 2746, 4119, 4922, 7383, 8238, 14766, 31579, 63158, 94737, 146911, 189474, 293822, 440733, 881466, 3378953, 6757906, 10136859, 20273718]

約数ペア:

[(1, 20273718), (2, 10136859), (3, 6757906), (6, 3378953), (23, 881466), (46, 440733), (69, 293822), (107, 189474), (138, 146911), (214, 94737), (321, 63158), (642, 31579), (1373, 14766), (2461, 8238), (2746, 7383), (4119, 4922)]