20573637

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{51563}}^1$

素因数の和:51592

約数の個数: 16

約数和(自身を含む): 33000960

約数和(自身を除く): 12427323

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 51563, 154689, 360941, 979697, 1082823, 2939091, 6857879, 20573637]

約数ペア:

[(1, 20573637), (3, 6857879), (7, 2939091), (19, 1082823), (21, 979697), (57, 360941), (133, 154689), (399, 51563)]