20001821615

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{1483}}^1\times {\mathrm{44221}}^1$

素因数の和:45770

約数の個数: 16

約数和(自身を含む): 24412666656

約数和(自身を除く): 4410845041

約数列:

[1, 5, 61, 305, 1483, 7415, 44221, 90463, 221105, 452315, 2697481, 13487405, 65579743, 327898715, 4000364323, 20001821615]

約数ペア:

[(1, 20001821615), (5, 4000364323), (61, 327898715), (305, 65579743), (1483, 13487405), (7415, 2697481), (44221, 452315), (90463, 221105)]