15679420

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{6173}}^1$

素因数の和:6309

約数の個数: 24

約数和(自身を含む): 33191424

約数和(自身を除く): 17512004

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 6173, 12346, 24692, 30865, 61730, 123460, 783971, 1567942, 3135884, 3919855, 7839710, 15679420]

約数ペア:

[(1, 15679420), (2, 7839710), (4, 3919855), (5, 3135884), (10, 1567942), (20, 783971), (127, 123460), (254, 61730), (508, 30865), (635, 24692), (1270, 12346), (2540, 6173)]