20686540065

素因数分解:

$3^1\times 5^1\times {\mathrm{487}}^1\times {\mathrm{877}}^1\times {\mathrm{3229}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 33214529280

約数和(自身を除く): 12527989215

約数列:

[1, 3, 5, 15, 487, 877, 1461, 2435, 2631, 3229, 4385, 7305, 9687, 13155, 16145, 48435, 427099, 1281297, 1572523, 2135495, 2831833, 4717569, 6406485, 7862615, 8495499, 14159165, 23587845, 42477495, 1379102671, 4137308013, 6895513355, 20686540065]

約数ペア:

[(1, 20686540065), (3, 6895513355), (5, 4137308013), (15, 1379102671), (487, 42477495), (877, 23587845), (1461, 14159165), (2435, 8495499), (2631, 7862615), (3229, 6406485), (4385, 4717569), (7305, 2831833), (9687, 2135495), (13155, 1572523), (16145, 1281297), (48435, 427099)]