20117838405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4076563}}^1$

素因数の和:4076625

約数の個数: 32

約数和(自身を含む): 37569613824

約数和(自身を除く): 17451775419

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4935, 4076563, 12229689, 20382815, 28535941, 61148445, 85607823, 142679705, 191598461, 428039115, 574795383, 957992305, 1341189227, 2873976915, 4023567681, 6705946135, 20117838405]

約数ペア:

[(1, 20117838405), (3, 6705946135), (5, 4023567681), (7, 2873976915), (15, 1341189227), (21, 957992305), (35, 574795383), (47, 428039115), (105, 191598461), (141, 142679705), (235, 85607823), (329, 61148445), (705, 28535941), (987, 20382815), (1645, 12229689), (4935, 4076563)]