20855682

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16319}}^1$

素因数の和:16398

約数の個数: 24

約数和(自身を含む): 45826560

約数和(自身を除く): 24970878

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16319, 32638, 48957, 97914, 146871, 293742, 1158649, 2317298, 3475947, 6951894, 10427841, 20855682]

約数ペア:

[(1, 20855682), (2, 10427841), (3, 6951894), (6, 3475947), (9, 2317298), (18, 1158649), (71, 293742), (142, 146871), (213, 97914), (426, 48957), (639, 32638), (1278, 16319)]