20156065

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{167}}^1\times {\mathrm{239}}^1$

素因数の和:512

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4519775

約数列:

[1, 5, 101, 167, 239, 505, 835, 1195, 16867, 24139, 39913, 84335, 120695, 199565, 4031213, 20156065]

約数ペア:

[(1, 20156065), (5, 4031213), (101, 199565), (167, 120695), (239, 84335), (505, 39913), (835, 24139), (1195, 16867)]