20810722

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1577

約数の個数: 16

約数和(自身を含む): 32685120

約数和(自身を除く): 11874398

約数列:

[1, 2, 23, 46, 389, 778, 1163, 2326, 8947, 17894, 26749, 53498, 452407, 904814, 10405361, 20810722]

約数ペア:

[(1, 20810722), (2, 10405361), (23, 904814), (46, 452407), (389, 53498), (778, 26749), (1163, 17894), (2326, 8947)]