20537764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{811}}^1$

素因数の和:1315

約数の個数: 24

約数和(自身を含む): 38833088

約数和(自身を除く): 18295324

約数列:

[1, 2, 4, 13, 26, 52, 487, 811, 974, 1622, 1948, 3244, 6331, 10543, 12662, 21086, 25324, 42172, 394957, 789914, 1579828, 5134441, 10268882, 20537764]

約数ペア:

[(1, 20537764), (2, 10268882), (4, 5134441), (13, 1579828), (26, 789914), (52, 394957), (487, 42172), (811, 25324), (974, 21086), (1622, 12662), (1948, 10543), (3244, 6331)]