20513302345

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{851351}}^1$

素因数の和:851496

約数の個数: 16

約数和(自身を含む): 25336235520

約数和(自身を除く): 4822933175

約数列:

[1, 5, 61, 79, 305, 395, 4819, 24095, 851351, 4256755, 51932411, 67256729, 259662055, 336283645, 4102660469, 20513302345]

約数ペア:

[(1, 20513302345), (5, 4102660469), (61, 336283645), (79, 259662055), (305, 67256729), (395, 51932411), (4819, 4256755), (24095, 851351)]