20948274

素因数分解:

$2^1\times 3^3\times {\mathrm{109}}^1\times {\mathrm{3559}}^1$

素因数の和:3679

約数の個数: 32

約数和(自身を含む): 46992000

約数和(自身を除く): 26043726

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 109, 218, 327, 654, 981, 1962, 2943, 3559, 5886, 7118, 10677, 21354, 32031, 64062, 96093, 192186, 387931, 775862, 1163793, 2327586, 3491379, 6982758, 10474137, 20948274]

約数ペア:

[(1, 20948274), (2, 10474137), (3, 6982758), (6, 3491379), (9, 2327586), (18, 1163793), (27, 775862), (54, 387931), (109, 192186), (218, 96093), (327, 64062), (654, 32031), (981, 21354), (1962, 10677), (2943, 7118), (3559, 5886)]