20571744

素因数分解:

$2^5\times 3^1\times {\mathrm{421}}^1\times {\mathrm{509}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 54235440

約数和(自身を除く): 33663696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 421, 509, 842, 1018, 1263, 1527, 1684, 2036, 2526, 3054, 3368, 4072, 5052, 6108, 6736, 8144, 10104, 12216, 13472, 16288, 20208, 24432, 40416, 48864, 214289, 428578, 642867, 857156, 1285734, 1714312, 2571468, 3428624, 5142936, 6857248, 10285872, 20571744]

約数ペア:

[(1, 20571744), (2, 10285872), (3, 6857248), (4, 5142936), (6, 3428624), (8, 2571468), (12, 1714312), (16, 1285734), (24, 857156), (32, 642867), (48, 428578), (96, 214289), (421, 48864), (509, 40416), (842, 24432), (1018, 20208), (1263, 16288), (1527, 13472), (1684, 12216), (2036, 10104), (2526, 8144), (3054, 6736), (3368, 6108), (4072, 5052)]