20491266

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{383}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 42375168

約数和(自身を除く): 21883902

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 241, 383, 482, 723, 766, 1149, 1446, 2298, 8917, 14171, 17834, 26751, 28342, 42513, 53502, 85026, 92303, 184606, 276909, 553818, 3415211, 6830422, 10245633, 20491266]

約数ペア:

[(1, 20491266), (2, 10245633), (3, 6830422), (6, 3415211), (37, 553818), (74, 276909), (111, 184606), (222, 92303), (241, 85026), (383, 53502), (482, 42513), (723, 28342), (766, 26751), (1149, 17834), (1446, 14171), (2298, 8917)]