20984076

素因数分解:

$2^2\times 3^3\times {\mathrm{331}}^1\times {\mathrm{587}}^1$

素因数の和:931

約数の個数: 48

約数和(自身を含む): 54660480

約数和(自身を除く): 33676404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 331, 587, 662, 993, 1174, 1324, 1761, 1986, 2348, 2979, 3522, 3972, 5283, 5958, 7044, 8937, 10566, 11916, 15849, 17874, 21132, 31698, 35748, 63396, 194297, 388594, 582891, 777188, 1165782, 1748673, 2331564, 3497346, 5246019, 6994692, 10492038, 20984076]

約数ペア:

[(1, 20984076), (2, 10492038), (3, 6994692), (4, 5246019), (6, 3497346), (9, 2331564), (12, 1748673), (18, 1165782), (27, 777188), (36, 582891), (54, 388594), (108, 194297), (331, 63396), (587, 35748), (662, 31698), (993, 21132), (1174, 17874), (1324, 15849), (1761, 11916), (1986, 10566), (2348, 8937), (2979, 7044), (3522, 5958), (3972, 5283)]