20512476

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29989}}^1$

素因数の和:30018

約数の個数: 36

約数和(自身を含む): 54581800

約数和(自身を除く): 34069324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 29989, 59978, 89967, 119956, 179934, 269901, 359868, 539802, 569791, 1079604, 1139582, 1709373, 2279164, 3418746, 5128119, 6837492, 10256238, 20512476]

約数ペア:

[(1, 20512476), (2, 10256238), (3, 6837492), (4, 5128119), (6, 3418746), (9, 2279164), (12, 1709373), (18, 1139582), (19, 1079604), (36, 569791), (38, 539802), (57, 359868), (76, 269901), (114, 179934), (171, 119956), (228, 89967), (342, 59978), (684, 29989)]