20146455

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{21319}}^1$

素因数の和:21340

約数の個数: 32

約数和(自身を含む): 40934400

約数和(自身を除く): 20787945

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 21319, 63957, 106595, 149233, 191871, 319785, 447699, 575613, 746165, 959355, 1343097, 2238495, 2878065, 4029291, 6715485, 20146455]

約数ペア:

[(1, 20146455), (3, 6715485), (5, 4029291), (7, 2878065), (9, 2238495), (15, 1343097), (21, 959355), (27, 746165), (35, 575613), (45, 447699), (63, 319785), (105, 191871), (135, 149233), (189, 106595), (315, 63957), (945, 21319)]