20173995

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5153}}^1$

素因数の和:5196

約数の個数: 32

約数和(自身を含む): 37108800

約数和(自身を除く): 16934805

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 5153, 15459, 25765, 46377, 77295, 139131, 149437, 231885, 448311, 695655, 747185, 1344933, 2241555, 4034799, 6724665, 20173995]

約数ペア:

[(1, 20173995), (3, 6724665), (5, 4034799), (9, 2241555), (15, 1344933), (27, 747185), (29, 695655), (45, 448311), (87, 231885), (135, 149437), (145, 139131), (261, 77295), (435, 46377), (783, 25765), (1305, 15459), (3915, 5153)]