20938816

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{6173}}^1$

素因数の和:6238

約数の個数: 28

約数和(自身を含む): 42341292

約数和(自身を除く): 21402476

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 424, 848, 1696, 3392, 6173, 12346, 24692, 49384, 98768, 197536, 327169, 395072, 654338, 1308676, 2617352, 5234704, 10469408, 20938816]

約数ペア:

[(1, 20938816), (2, 10469408), (4, 5234704), (8, 2617352), (16, 1308676), (32, 654338), (53, 395072), (64, 327169), (106, 197536), (212, 98768), (424, 49384), (848, 24692), (1696, 12346), (3392, 6173)]