20587805

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9643}}^1$

素因数の和:9716

約数の個数: 16

約数和(自身を含む): 28700544

約数和(自身を除く): 8112739

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9643, 48215, 67501, 337505, 588223, 2941115, 4117561, 20587805]

約数ペア:

[(1, 20587805), (5, 4117561), (7, 2941115), (35, 588223), (61, 337505), (305, 67501), (427, 48215), (2135, 9643)]