20197786185

素因数分解:

$3^4\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{33493}}^1$

素因数の和:34999

約数の個数: 40

約数和(自身を含む): 36231799560

約数和(自身を除く): 16034013375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1489, 4467, 7445, 13401, 22335, 33493, 40203, 67005, 100479, 120609, 167465, 201015, 301437, 502395, 603045, 904311, 1507185, 2712933, 4521555, 13564665, 49871077, 149613231, 249355385, 448839693, 748066155, 1346519079, 2244198465, 4039557237, 6732595395, 20197786185]

約数ペア:

[(1, 20197786185), (3, 6732595395), (5, 4039557237), (9, 2244198465), (15, 1346519079), (27, 748066155), (45, 448839693), (81, 249355385), (135, 149613231), (405, 49871077), (1489, 13564665), (4467, 4521555), (7445, 2712933), (13401, 1507185), (22335, 904311), (33493, 603045), (40203, 502395), (67005, 301437), (100479, 201015), (120609, 167465)]