20744904

素因数分解:

$2^3\times 3^1\times {\mathrm{907}}^1\times {\mathrm{953}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 51973920

約数和(自身を除く): 31229016

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 907, 953, 1814, 1906, 2721, 2859, 3628, 3812, 5442, 5718, 7256, 7624, 10884, 11436, 21768, 22872, 864371, 1728742, 2593113, 3457484, 5186226, 6914968, 10372452, 20744904]

約数ペア:

[(1, 20744904), (2, 10372452), (3, 6914968), (4, 5186226), (6, 3457484), (8, 2593113), (12, 1728742), (24, 864371), (907, 22872), (953, 21768), (1814, 11436), (1906, 10884), (2721, 7624), (2859, 7256), (3628, 5718), (3812, 5442)]