20512605574

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{499}}^1\times {\mathrm{2521}}^1$

素因数の和:3316

約数の個数: 32

約数和(自身を含む): 31958784000

約数和(自身を除く): 11446178426

約数列:

[1, 2, 31, 62, 263, 499, 526, 998, 2521, 5042, 8153, 15469, 16306, 30938, 78151, 131237, 156302, 262474, 663023, 1257979, 1326046, 2515958, 4068347, 8136694, 20553713, 38997349, 41107426, 77994698, 330848477, 661696954, 10256302787, 20512605574]

約数ペア:

[(1, 20512605574), (2, 10256302787), (31, 661696954), (62, 330848477), (263, 77994698), (499, 41107426), (526, 38997349), (998, 20553713), (2521, 8136694), (5042, 4068347), (8153, 2515958), (15469, 1326046), (16306, 1257979), (30938, 663023), (78151, 262474), (131237, 156302)]