20538906

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 42294528

約数和(自身を除く): 21755622

約数列:

[1, 2, 3, 6, 47, 94, 141, 173, 282, 346, 421, 519, 842, 1038, 1263, 2526, 8131, 16262, 19787, 24393, 39574, 48786, 59361, 72833, 118722, 145666, 218499, 436998, 3423151, 6846302, 10269453, 20538906]

約数ペア:

[(1, 20538906), (2, 10269453), (3, 6846302), (6, 3423151), (47, 436998), (94, 218499), (141, 145666), (173, 118722), (282, 72833), (346, 59361), (421, 48786), (519, 39574), (842, 24393), (1038, 19787), (1263, 16262), (2526, 8131)]