20090816

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{5923}}^1$

素因数の和:5988

約数の個数: 28

約数和(自身を含む): 40626792

約数和(自身を除く): 20535976

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 424, 848, 1696, 3392, 5923, 11846, 23692, 47384, 94768, 189536, 313919, 379072, 627838, 1255676, 2511352, 5022704, 10045408, 20090816]

約数ペア:

[(1, 20090816), (2, 10045408), (4, 5022704), (8, 2511352), (16, 1255676), (32, 627838), (53, 379072), (64, 313919), (106, 189536), (212, 94768), (424, 47384), (848, 23692), (1696, 11846), (3392, 5923)]