20580219

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{4423}}^1$

素因数の和:4487

約数の個数: 24

約数和(自身を含む): 33126912

約数和(自身を除く): 12546693

約数列:

[1, 3, 9, 11, 33, 47, 99, 141, 423, 517, 1551, 4423, 4653, 13269, 39807, 48653, 145959, 207881, 437877, 623643, 1870929, 2286691, 6860073, 20580219]

約数ペア:

[(1, 20580219), (3, 6860073), (9, 2286691), (11, 1870929), (33, 623643), (47, 437877), (99, 207881), (141, 145959), (423, 48653), (517, 39807), (1551, 13269), (4423, 4653)]