20178693

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{25771}}^1$

素因数の和:25809

約数の個数: 16

約数和(自身を含む): 30926400

約数和(自身を除く): 10747707

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 25771, 77313, 231939, 695817, 747359, 2242077, 6726231, 20178693]

約数ペア:

[(1, 20178693), (3, 6726231), (9, 2242077), (27, 747359), (29, 695817), (87, 231939), (261, 77313), (783, 25771)]