20676218

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{577}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 34957440

約数和(自身を除く): 14281222

約数列:

[1, 2, 19, 23, 38, 41, 46, 82, 437, 577, 779, 874, 943, 1154, 1558, 1886, 10963, 13271, 17917, 21926, 23657, 26542, 35834, 47314, 252149, 449483, 504298, 544111, 898966, 1088222, 10338109, 20676218]

約数ペア:

[(1, 20676218), (2, 10338109), (19, 1088222), (23, 898966), (38, 544111), (41, 504298), (46, 449483), (82, 252149), (437, 47314), (577, 35834), (779, 26542), (874, 23657), (943, 21926), (1154, 17917), (1558, 13271), (1886, 10963)]