20178477

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{7549}}^1$

素因数の和:7575

約数の個数: 24

約数和(自身を含む): 32978400

約数和(自身を除く): 12799923

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 243, 297, 891, 2673, 7549, 22647, 67941, 83039, 203823, 249117, 611469, 747351, 1834407, 2242053, 6726159, 20178477]

約数ペア:

[(1, 20178477), (3, 6726159), (9, 2242053), (11, 1834407), (27, 747351), (33, 611469), (81, 249117), (99, 203823), (243, 83039), (297, 67941), (891, 22647), (2673, 7549)]