20788938

素因数分解:

$2^1\times 3^2\times {\mathrm{389}}^1\times {\mathrm{2969}}^1$

素因数の和:3366

約数の個数: 24

約数和(自身を含む): 45173700

約数和(自身を除く): 24384762

約数列:

[1, 2, 3, 6, 9, 18, 389, 778, 1167, 2334, 2969, 3501, 5938, 7002, 8907, 17814, 26721, 53442, 1154941, 2309882, 3464823, 6929646, 10394469, 20788938]

約数ペア:

[(1, 20788938), (2, 10394469), (3, 6929646), (6, 3464823), (9, 2309882), (18, 1154941), (389, 53442), (778, 26721), (1167, 17814), (2334, 8907), (2969, 7002), (3501, 5938)]