20834685

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{983}}^1$

素因数の和:1154

約数の個数: 32

約数和(自身を含む): 37313280

約数和(自身を除く): 16478595

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 471, 785, 983, 1413, 2355, 2949, 4239, 4915, 7065, 8847, 14745, 21195, 26541, 44235, 132705, 154331, 462993, 771655, 1388979, 2314965, 4166937, 6944895, 20834685]

約数ペア:

[(1, 20834685), (3, 6944895), (5, 4166937), (9, 2314965), (15, 1388979), (27, 771655), (45, 462993), (135, 154331), (157, 132705), (471, 44235), (785, 26541), (983, 21195), (1413, 14745), (2355, 8847), (2949, 7065), (4239, 4915)]