20305744

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{40939}}^1$

素因数の和:40978

約数の個数: 20

約数和(自身を含む): 40612480

約数和(自身を除く): 20306736

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 40939, 81878, 163756, 327512, 655024, 1269109, 2538218, 5076436, 10152872, 20305744]

約数ペア:

[(1, 20305744), (2, 10152872), (4, 5076436), (8, 2538218), (16, 1269109), (31, 655024), (62, 327512), (124, 163756), (248, 81878), (496, 40939)]