20474419

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 24768000

約数和(自身を除く): 4293581

約数列:

[1, 7, 19, 133, 257, 599, 1799, 4193, 4883, 11381, 34181, 79667, 153943, 1077601, 2924917, 20474419]

約数ペア:

[(1, 20474419), (7, 2924917), (19, 1077601), (133, 153943), (257, 79667), (599, 34181), (1799, 11381), (4193, 4883)]