20531913

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{12421}}^1$

素因数の和:12472

約数の個数: 16

約数和(自身を含む): 29812800

約数和(自身を除く): 9280887

約数列:

[1, 3, 19, 29, 57, 87, 551, 1653, 12421, 37263, 235999, 360209, 707997, 1080627, 6843971, 20531913]

約数ペア:

[(1, 20531913), (3, 6843971), (19, 1080627), (29, 707997), (57, 360209), (87, 235999), (551, 37263), (1653, 12421)]