20453930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6217}}^1$

素因数の和:6278

約数の個数: 32

約数和(自身を含む): 42978816

約数和(自身を除く): 22524886

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 6217, 12434, 31085, 43519, 62170, 87038, 217595, 292199, 435190, 584398, 1460995, 2045393, 2921990, 4090786, 10226965, 20453930]

約数ペア:

[(1, 20453930), (2, 10226965), (5, 4090786), (7, 2921990), (10, 2045393), (14, 1460995), (35, 584398), (47, 435190), (70, 292199), (94, 217595), (235, 87038), (329, 62170), (470, 43519), (658, 31085), (1645, 12434), (3290, 6217)]