20571816

素因数分解:

$2^3\times 3^1\times {\mathrm{89}}^1\times {\mathrm{9631}}^1$

素因数の和:9729

約数の個数: 32

約数和(自身を含む): 52012800

約数和(自身を除く): 31440984

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 89, 178, 267, 356, 534, 712, 1068, 2136, 9631, 19262, 28893, 38524, 57786, 77048, 115572, 231144, 857159, 1714318, 2571477, 3428636, 5142954, 6857272, 10285908, 20571816]

約数ペア:

[(1, 20571816), (2, 10285908), (3, 6857272), (4, 5142954), (6, 3428636), (8, 2571477), (12, 1714318), (24, 857159), (89, 231144), (178, 115572), (267, 77048), (356, 57786), (534, 38524), (712, 28893), (1068, 19262), (2136, 9631)]